Cita APA (7th ed.)

Brown, L. R. (1981). World food resources and population: The narrowing margin. Population Reference Bureau.

Cita Chicago (17th ed.)

Brown, Lester R. World Food Resources and Population: The Narrowing Margin. Washington: Population Reference Bureau, 1981.

Cita MLA (9th ed.)

Brown, Lester R. World Food Resources and Population: The Narrowing Margin. Population Reference Bureau, 1981.