APA (7th ed.) Citation

Parkman, F. (1941). The Oregon trail. Caxton House.

Chicago Style (17th ed.) Citation

Parkman, Francis. The Oregon Trail. New York: Caxton House, 1941.

MLA (9th ed.) Citation

Parkman, Francis. The Oregon Trail. Caxton House, 1941.

Warning: These citations may not always be 100% accurate.