APA引文

Halsey, D. W., & Shores, L. (1978). Collier's encyclopedia V.21: With bibliography and index. Macmillan Educational Corporation.

Chicago Edition Citation

Halsey, D William, and Louis Shores. Collier's Encyclopedia V.21: With Bibliography and Index. New York: Macmillan Educational Corporation, 1978.

MLA引文

Halsey, D William, and Louis Shores. Collier's Encyclopedia V.21: With Bibliography and Index. Macmillan Educational Corporation, 1978.