Should I use BC and AD or BCE and CE for era designations?
Note: This post relates to content in the eighth edition of the MLA Handbook. For up-to-date guidance, see the ninth edition of the MLA Handbook.
The choice of era designations is up to the writer. In our publications, we prefer to use BCE (before the common era) and CE (common era), both of which follow the year:
If you use BC (before Christ) and AD (anno Domini, medieval Latin for “in the year of the Lord”), note that, by convention, BC follows the year, and AD precedes it: