APA (7th ed.) Zitazioa

(1968). The Demography of tropical Africa. P.U. Pr..

Chicago Style (17th ed.) Zitazioa

The Demography of Tropical Africa. Princeton, N.J.: P.U. Pr., 1968.

MLA (9th ed.) Zitazioa

The Demography of Tropical Africa. P.U. Pr., 1968.