APA (7th ed.) Citation

Cleland, R. G. (1944). From wilderness to empire: A history of California, 1542-1900. A.A. Knopf.

Chicago Style (17th ed.) Citation

Cleland, Robert Glass. From Wilderness to Empire: A History of California, 1542-1900. New York: A.A. Knopf, 1944.

MLA (9th ed.) Citation

Cleland, Robert Glass. From Wilderness to Empire: A History of California, 1542-1900. A.A. Knopf, 1944.