APA (7th ed.) Citation

Current, R. N., & Goodwin, G. J. (1980). A history of the United States. Knopf.

Chicago Style (17th ed.) Citation

Current, Richard Nelson, and Gerald J. Goodwin. A History of the United States. New York, NY: Knopf, 1980.

MLA (9th ed.) Citation

Current, Richard Nelson, and Gerald J. Goodwin. A History of the United States. Knopf, 1980.