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APA Style Guide: Editions

General Rules for Editions


Place edition information after the title. End the title with a comma, space and enclose the edition statement in parentheses.

Express numbers representing editions in Arabic ordinals, as first becomes 1st, IV becomes 4th. 

Abbreviate the word edition and other descriptive words:

  • Revised edition becomes Rev. ed.
  • Eighth Edition becomes 8th ed.
  • Third edition becomes 3rd ed.

End with a period.


Schott, J. & Priest, J. (2002). Leading antenatal classes: A practical guide (2nd ed.). Boston, MA: Books for Midwives.