APA (7th ed.) Citation

Jordan, W. D., & Litwack, L. F. (1991). The United States (Combined ed., 7th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Jordan, Winthrop Donaldson, and Leon F. Litwack. The United States. Combined ed., 7th ed. Englewood Cliffs, NJ: Prentice Hall, 1991.

MLA (9th ed.) Citation

Jordan, Winthrop Donaldson, and Leon F. Litwack. The United States. Combined ed., 7th ed. Prentice Hall, 1991.