A family of Microsoft word processing software products for creating web, email, and print documents.
How do I get the 7th edition to work in ms office 365 currently? I only have an option for APA 6th edition
It simple, you DON'T. You do your bibliography manually.
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The Bibilography feature in Word is effectively useless if your editor or teacher requires you to strictly adhere to the current standard. MS is habitually years behind the various standards. They are about to go 2 versions out of date for the MLA standard.
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Use a 3rd party addon or website to handle your bibliography and citations.