Cita APA (7th ed.)
Fagan, B. M. (1995). People of the earth: An introduction to world prehistory (8th. ed.). Harper & Row.
Cita Chicago (17th ed.)
Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 8th. ed. New York: Harper & Row, 1995.
Cita MLA (9th ed.)
Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 8th. ed. Harper & Row, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.