APA (7th ed.) Citation

Comrie, B. (2009). The World's major language (2nd ed.). Routledg.

Chicago Style (17th ed.) Citation

Comrie, Bernard. The World's Major Language. 2nd ed. London;New York: Routledg, 2009.

MLA (9th ed.) Citation

Comrie, Bernard. The World's Major Language. 2nd ed. Routledg, 2009.