Cita APA (7a ed.)

Halsey, W. D. (1964). Collier's encyclopedia. Crowell-Collier.

Cita Chicago Style (17a ed.)

Halsey, William D. Collier's Encyclopedia. New York: Crowell-Collier, 1964.

Cita MLA (8a ed.)

Halsey, William D. Collier's Encyclopedia. Crowell-Collier, 1964.