APA引文

Perry, J. A., & Perry, E. (1991). Contemporary society: An introduction to social science (6th ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Perry, John A., and Erna Perry. Contemporary Society: An Introduction to Social Science. 6th ed. New York: Harper & Row, 1991.

MLA引文

Perry, John A., and Erna Perry. Contemporary Society: An Introduction to Social Science. 6th ed. Harper & Row, 1991.