APA (7th ed.) Citation

Gairdner, P. (1959). Theories of history. Free Press.

Chicago Style (17th ed.) Citation

Gairdner, Patrick. Theories of History. New York: Free Press, 1959.

MLA (9th ed.) Citation

Gairdner, Patrick. Theories of History. Free Press, 1959.

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