Style de citation APA (7e éd.)

Howell, W. G., & Brent, D. M. (2013). Thinking about the presidency: The primacy of power. Princeton University Press.

Style de citation Chicago (17e éd.)

Howell, William G., et David Milton Brent. Thinking About the Presidency: The Primacy of Power. Princeton: Princeton University Press, 2013.

Style de citation MLA (9e éd.)

Howell, William G., et David Milton Brent. Thinking About the Presidency: The Primacy of Power. Princeton University Press, 2013.