APA (7. basım) Alıntı

Ralph, P. L. (1997). World civilizations, their history and their culture (9th ed.). W.W. Norton.

Chicago Style (17. basım) Atıf

Ralph, Philip Lee. World Civilizations, Their History and Their Culture. 9th ed. New York: W.W. Norton, 1997.

MLA (8th ed.) Atıf

Ralph, Philip Lee. World Civilizations, Their History and Their Culture. 9th ed. W.W. Norton, 1997.