APA7: Add letter to publication date even if originally published date is different

Hi all,

I'm working on a dissertation that has a lot of "book section" references to essays that were often published in the same year as part of a collected works for the author, but the essays in a given volume often have different "originally published" dates. Zotero seems to handle this fine using the "original-date" tag in the Extra field.

For example for 3 different essays, Zotero inserts in-text citations as:
(1926/1967a)
(1926/1967b) -- different essay but same original AND publish date
(1927/1967) -- different essay but different original date so no letter added

However, my copy editor says that APA should distinguish publish dates with a letter _regardless_ of the original date.

For example, for the same 3 essays, should the in-text citations be:
(1926/1967a)
(1926/1967b)
(1927/1967c)

Changing them all manually would break a huge number of Zotero links in my document. I can't find a definitive APA reference online that states which way is correct. Hoping someone out there has run into this and can chime in.

Thank you!
  • The suffixes to the issue date indeed have no relationship to the original date. I have however noticed some circumstances in which the current APA style does not add a suffix to every item with the same year, as you show here. I believe that I have fixed this in a revision under review, if you wish to give it a try:

    https://github.com/citation-style-language/styles/pull/7510
  • edited 25 days ago
    Thanks for the reply! I tried your applying your changes and regenerated the References but didn't see any changes. Not sure if I'm missing something...

    1. Downloaded apa.csl from your pull request
    2. Renamed the "title" and "id" entries at the top of the CSL to be unique and saved
    3. Loaded the new CSL into the Zotero Style Manager
    4. Switched the Document Preferences in Word to use the updated APA style
    5. Refreshed references

    After that I'm still seeing the letters only applied to the Publish Date if both Original Date and Publish Date are matching.
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