APA (7th ed.) Citation

Katzner, K. (2002). The languages of the world (3rd ed.). Routledge.

Chicago Style (17th ed.) Citation

Katzner, Kenneth. The Languages of the World. 3rd ed. London; New York: Routledge, 2002.

MLA (9th ed.) Citation

Katzner, Kenneth. The Languages of the World. 3rd ed. Routledge, 2002.

Warning: These citations may not always be 100% accurate.