Cita APA (7a ed.)

Cook, R. C. (1962). Population and food supply. United Nations, Office of Public Information.

Cita Chicago Style (17a ed.)

Cook, Robert Carter. Population and Food Supply. [New York?]: United Nations, Office of Public Information, 1962.

Cita MLA (9a ed.)

Cook, Robert Carter. Population and Food Supply. United Nations, Office of Public Information, 1962.

Precaución: Estas citas no son 100% exactas.