Your source may have more than one version. Books can have several editions. If your source has an edition number write the number then “ed.” followed by a comma. If the edition has a description include it before the “ed.”

Other media can also have several versions. Write out the description as given in the source followed by a comma.

Note that the description starts with a capital letter when it directly follows the title of the source.


4th ed.,

revised ed.,

Canadian ed.,

director’s cut,

abridged version,

Sample citation

Jewkes, Yvonne. Media and Crime. 2nd ed., Sage, 2011.