APA (7th ed.) Citation

Ralph, P. L. (1994). World civilizations: Their history and their culture : vol.1 (Fifth Edition.). W.W. Norton and Company.

Chicago Style (17th ed.) Citation

Ralph, Philip Lee. World Civilizations: Their History and Their Culture : Vol.1. Fifth Edition. New York: W.W. Norton and Company, 1994.

MLA (9th ed.) Citation

Ralph, Philip Lee. World Civilizations: Their History and Their Culture : Vol.1. Fifth Edition. W.W. Norton and Company, 1994.