APA (7th ed.) Citation

Merk, F. (1980). History of the westward movement (1st ed. --.). Knopf.

Chicago Style (17th ed.) Citation

Merk, Frederick. History of the Westward Movement. 1st ed. --. New York: Knopf, 1980.

MLA (9th ed.) Citation

Merk, Frederick. History of the Westward Movement. 1st ed. --. Knopf, 1980.