APA (7th ed.) Citation

Bahr, L. S., & Johnston, B. S. (1997). Collier's encyclopedia: With bibliography and index. Collier's.

Chicago Style (17th ed.) Citation

Bahr, Lauren S., and Bernard S. Johnston. Collier's Encyclopedia: With Bibliography and Index. New York: Collier's, 1997.

MLA (9th ed.) Citation

Bahr, Lauren S., and Bernard S. Johnston. Collier's Encyclopedia: With Bibliography and Index. Collier's, 1997.