APA (7th ed.) Citation

Levine, E. L., & Cornwell, E. E. (1971). An introduction to American government (2d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Levine, Erwin L., and Elmer E. Cornwell. An Introduction to American Government. 2d ed. New York: Macmillan, 1971.

MLA (8th ed.) Citation

Levine, Erwin L., and Elmer E. Cornwell. An Introduction to American Government. 2d ed. Macmillan, 1971.