APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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