Cita APA (7th ed.)

Bahr, L. S., & Johnston, B. M. (1996). Collier's encyclopedia: With bibliography and index. Collier's.

Cita Chicago (17th ed.)

Bahr, Lauren S., i Bernard M.A Johnston. Collier's Encyclopedia: With Bibliography and Index. New York: Collier's, 1996.

Cita MLA (9th ed.)

Bahr, Lauren S., i Bernard M.A Johnston. Collier's Encyclopedia: With Bibliography and Index. Collier's, 1996.