Convert References to IEEE Format: Step-by-Step Guide

Before/after examples for converting APA, MLA, and Harvard citations to IEEE — with a 7-step checklist and free converter.

⏱ 10 min read 🔄 APA / MLA / Harvard → IEEE ✅ Conversion checklist

Why Convert to IEEE?

Most students and researchers learn citation in one style — usually APA, MLA, or Harvard — and apply it consistently until a new context demands something different. The need to convert to IEEE typically arises in three situations:

Regardless of the reason, the conversion process is highly systematic. IEEE has well-defined rules, and the differences from APA, MLA, and Harvard follow predictable patterns — which means a checklist approach works reliably.

Key Differences Between IEEE and APA/MLA

Before converting individual references, it helps to understand the structural differences between IEEE and the styles you are converting from. The table below covers the six features that require changes in almost every reference.

Feature APA / MLA / Harvard IEEE
Reference ordering Alphabetical by author surname Sequential by order of first citation in text
In-text citation style Author-date (APA/Harvard) or author-page (MLA) Bracketed number: [1], [2], [3]
Year position Immediately after author name (APA/Harvard) or at end (MLA) Near the end of the entry, after page range or other details
Author name format Surname, First Name (APA/Harvard) or First Surname (MLA) Initials then surname: A. B. Surname
Article title format Sentence case, no quotes (APA); Title Case, no quotes (MLA) Sentence case, in quotation marks
Journal name abbreviation Full journal name (APA/MLA/Harvard) Standard abbreviation preferred (e.g., IEEE Trans. Neural Netw.)
Re-ordering is the most disruptive change. When you convert from APA/MLA/Harvard to IEEE, you cannot simply reformat each entry in place — you must also reorder the entire reference list based on when each source first appears in your text, and update all in-text citations to use the new bracketed numbers.

Converting APA to IEEE

APA and IEEE share sentence-case article titles and use similar DOI formats, but differ significantly in author format, year position, and the in-text citation system.

Journal article: APA → IEEE

APA (Before)
LeCun, Y., Bengio, Y., & Hinton, G. (2015). Deep learning. Nature, 521(7553), 436–444. https://doi.org/10.1038/nature14539
IEEE (After)
[1] Y. LeCun, Y. Bengio, and G. Hinton, "Deep learning," Nature, vol. 521, no. 7553, pp. 436–444, May 2015, doi: 10.1038/nature14539.

Changes made: surname moved after initials; "&" replaced with "and"; year moved to end before DOI; article title wrapped in quotes; journal name italicized; vol. and no. abbreviations added; pp. prefix added; "https://doi.org/" replaced with "doi:" prefix.

Book: APA → IEEE

APA (Before)
Russell, S., & Norvig, P. (2020). Artificial intelligence: A modern approach (4th ed.). Pearson.
IEEE (After)
[2] S. Russell and P. Norvig, Artificial Intelligence: A Modern Approach, 4th ed. Hoboken, NJ: Pearson, 2020.

Changes made: initials-first author format; "&" to "and"; book title changed to Title Case and italicized; edition format unchanged but placed before publisher; city of publication added; year moved to the end.

Converting MLA to IEEE

MLA uses Title Case for article titles, places the year at the end, and omits volume/issue labels. The MLA format for journal articles is particularly different from IEEE.

Journal article: MLA → IEEE

MLA (Before)
Vaswani, Ashish, et al. "Attention Is All You Need." Advances in Neural Information Processing Systems, vol. 30, 2017, pp. 5998–6008.
IEEE (After)
[3] A. Vaswani, N. Shazeer, N. Parmar, J. Uszkoreit, L. Jones, A. N. Gomez, Ł. Kaiser, and I. Polosukhin, "Attention is all you need," Advances in Neural Information Processing Systems, vol. 30, pp. 5998–6008, 2017.

Changes made: "et al." expanded to all individual authors (IEEE requires up to six before using et al.); author format changed to Initials Surname; article title changed to sentence case; vol./pp. labels retained; year moved to end.

Website: MLA → IEEE

MLA (Before)
World Health Organization. "Cardiovascular Diseases (CVDs)." WHO, 11 June 2021, www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds).
IEEE (After)
[4] World Health Organization, "Cardiovascular diseases (CVDs)," WHO, Jun. 11, 2021. [Online]. Available: https://www.who.int/news-room/fact-sheets/detail/cardiovascular-diseases-(cvds). [Accessed: Mar. 5, 2025].

Changes made: no italics on organization name; page title changed to sentence case; date reformatted to IEEE month abbreviation; "[Online]. Available:" notation added; access date added in IEEE format.

Converting Harvard to IEEE

Harvard (author-date) is structurally similar to APA. The main differences to address are the author format, year position, and the addition of vol./no. labels.

Journal article: Harvard → IEEE

Harvard (Before)
Goodfellow, I., Bengio, Y. and Courville, A. (2016) 'Deep learning', MIT Press, 1(1), pp. 1–800.
IEEE (After)
[5] I. Goodfellow, Y. Bengio, and A. Courville, "Deep learning," MIT Press, vol. 1, no. 1, pp. 1–800, 2016.

Changes made: initials moved before surname; "and" kept (Harvard uses "and" unlike APA's "&"); single quotes replaced with double quotation marks; year moved to end; explicit vol. and no. labels added.

7-Step Conversion Checklist

Use this checklist on each reference when converting from any author-date or author-page style to IEEE. Work through the steps in order — some steps depend on the results of earlier ones.

Step Action Example
1 Move the year. In APA/Harvard the year comes right after the author. In IEEE it goes near the end — after page numbers or other bibliographic details, before the DOI. APA: Smith, J. (2019). → IEEE: J. Smith, "…," 2019.
2 Shorten first names to initials. Convert "John A. Smith" or "Smith, John A." to "J. A. Smith". Each initial followed by a period and space. Brown, Katherine L. → K. L. Brown
3 Add bracket numbers. Renumber your entire reference list based on order of first citation in the text. Update every in-text citation to the new [number] format. (Smith, 2019) → [1]  |  (Jones, 2021) → [2]
4 Abbreviate the journal name. IEEE uses standard ISO 4 journal abbreviations. Common examples: Proceedings of the IEEEProc. IEEE; IEEE Transactions on Neural NetworksIEEE Trans. Neural Netw. Nature CommunicationsNat. Commun.
5 Fix title capitalisation. Article and chapter titles: sentence case (first word + proper nouns only). Book and journal titles: Title Case. "Deep Learning for NLP" → "Deep learning for NLP"
6 Fix the DOI format. IEEE uses doi: 10.XXXX/XXXX (lowercase "doi:" prefix, no "https://doi.org/" URL). Replace the URL form with the prefix form. https://doi.org/10.1038/s41586 → doi: 10.1038/s41586
7 Reorder the entire reference list by first-citation order, not alphabetically. After renumbering, verify that every in-text [number] matches the entry at that position. Alphabetical A–Z list → sequential [1][2][3] list

Common Conversion Mistakes

These are the errors that appear most often when researchers convert to IEEE without a systematic approach.

Mistake What it looks like Correct IEEE form
Keeping author-date in-text citations "… as shown by (Smith, 2019) …" "… as shown by [1] …"
Leaving the reference list alphabetical [1] Brown … [2] Chen … [3] Adams … [1] = first source cited, [2] = second, etc.
Full first names instead of initials John A. Smith, J. A. Smith,
Using "https://doi.org/" URL form https://doi.org/10.1109/tnn.2021.123 doi: 10.1109/tnn.2021.123
Title Case on article titles "Deep Learning for Image Classification" "Deep learning for image classification"
Omitting vol./no. labels Nature, 521(7553), pp. 436–444 … Nature, vol. 521, no. 7553, pp. 436–444 …
Year immediately after author name Y. LeCun (2015). "Deep learning," … Y. LeCun, "Deep learning," … 2015.

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