Cita APA (7th ed.)

Malthus, T. (1960). On population: Three essays. The new American library.

Cita Chicago (17th ed.)

Malthus, Thomas. On Population: Three Essays. New York: The new American library, 1960.

Cita MLA (9th ed.)

Malthus, Thomas. On Population: Three Essays. The new American library, 1960.