APA Style

Kessler, L., McDonald, D. (2016). When words collide : a media writerʼs guide to grammar and style. Ninth Edition (Ninth Edition). Boston: Cengage Learning.

MLA Style

Kessler, Lauren., McDonald, Duncan. "When words collide : a media writerʼs guide to grammar and style. Ninth Edition". Ninth Edition Boston: Cengage Learning, 2016. Text.