Fagan, B. M. (1998). People of the earth: An introduction to world prehistory (9th.ed.). Longman.
Citazione stile Chigago Style (17a edizione)Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 9th.ed. New York: Longman, 1998.
Citatione MLA (9a ed.)Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 9th.ed. Longman, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.