APA (7th ed.) Citation

Collier, Firm Publishers. (1960). Collier's encyclopedia: With bibliography and index. Collier.

Chicago Style (17th ed.) Citation

Collier, Firm Publishers. Collier's Encyclopedia: With Bibliography and Index. New York: Collier, 1960.

MLA (9th ed.) Citation

Collier, Firm Publishers. Collier's Encyclopedia: With Bibliography and Index. Collier, 1960.

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