Citazione APA

Halsey, D. W., & Shores, L. (1978). Collier's encyclopedia V.18: With bibliography and index. Macmillan Educational Corporation.

Stile di citazione Chicago

Halsey, D William, e Louis Shores. Collier's Encyclopedia V.18: With Bibliography and Index. New York: Macmillan Educational Corporation, 1978.

Citazione MLA

Halsey, D William, e Louis Shores. Collier's Encyclopedia V.18: With Bibliography and Index. Macmillan Educational Corporation, 1978.