APA (7th ed.) Zitazioa

Petersen, W. (1975). Population, 3rd ed. (3rd ed.). Macmillan.

Chicago Style (17th ed.) Zitazioa

Petersen, William. Population, 3rd Ed. 3rd ed. New York: Macmillan, 1975.

MLA (9th ed.) Zitazioa

Petersen, William. Population, 3rd Ed. 3rd ed. Macmillan, 1975.