APA (7th ed.) Zitazioa

Fagan, B. M. (1983). People of the earth: An introduction to world prehistory (4th ed.). Little, Brown.

Chicago Style (17th ed.) Zitazioa

Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Boston: Little, Brown, 1983.

MLA (9th ed.) Zitazioa

Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Little, Brown, 1983.