Cita APA (7a ed.)

McCormack, A. (1970). The Population problem. Thomas Y. Crowell.

Cita Chicago Style (17a ed.)

McCormack, Arthur. The Population Problem. New York: Thomas Y. Crowell, 1970.

Cita MLA (9a ed.)

McCormack, Arthur. The Population Problem. Thomas Y. Crowell, 1970.