APA Style

Kessler, L., McDonald, D. (2008). When words collide : a media writer's guide to grammar and style. -7th ed. (7th ed.). Boston: Thomson/Wadsworth.

MLA Style

Kessler, Lauren., McDonald, Duncan. "When words collide : a media writer's guide to grammar and style. -7th ed.". 7th ed. Boston: Thomson/Wadsworth, 2008. E-Book.