APA (7th ed.) Citation

Katzner, K. (1995). The languages of the world (New ed.). Routledge.

Chicago Style (17th ed.) Citation

Katzner, Kenneth. The Languages of the World. New ed. London: Routledge, 1995.

MLA (9th ed.) Citation

Katzner, Kenneth. The Languages of the World. New ed. Routledge, 1995.

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