APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Bahr, Lauren S., et al. Collier's Encyclopedia: With Bibliography and Index. Collier's, 1997.