Cita APA (7a ed.)

Comrie, B. (1990). The world's major languages. Oxford University Press.

Cita Chicago Style (17a ed.)

Comrie, Bernard. The World's Major Languages. New York [etc.]: Oxford University Press, 1990.

Cita MLA (9a ed.)

Comrie, Bernard. The World's Major Languages. Oxford University Press, 1990.