APA (7th ed.) Citation

Levine, E. L., & Cornwell, E. E. (1979). An introduction to American government (4. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Levine, Erwin L., and Elmer E. Cornwell. An Introduction to American Government. 4. ed. New York: Macmillan, 1979.

MLA (9th ed.) Citation

Levine, Erwin L., and Elmer E. Cornwell. An Introduction to American Government. 4. ed. Macmillan, 1979.