APA (7th ed.) Citation

Cutright, P. R. (1956). Theodore Roosevelt, the naturalist. Harper.

Chicago Style (17th ed.) Citation

Cutright, Paul Russel. Theodore Roosevelt, the Naturalist. New York: Harper, 1956.

MLA (9th ed.) Citation

Cutright, Paul Russel. Theodore Roosevelt, the Naturalist. Harper, 1956.

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