APA (7th ed.) Citation

Beatty, E. C. O. (1939). William Penn as social philosopher. Columbia University Press.

Chicago Style (17th ed.) Citation

Beatty, Edward Corbyn Obert. William Penn as Social Philosopher. New York: Columbia University Press, 1939.

MLA (9th ed.) Citation

Beatty, Edward Corbyn Obert. William Penn as Social Philosopher. Columbia University Press, 1939.