APA (7th ed.) Citation

Comrie, B. (1987). The World's major languages. Croom Helm.

Chicago Style (17th ed.) Citation

Comrie, Bernard. The World's Major Languages. London: Croom Helm, 1987.

MLA (9th ed.) Citation

Comrie, Bernard. The World's Major Languages. Croom Helm, 1987.

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