Style de citation APA (7e éd.)

Walker, W. O., III. (2009). National security and core values in American history. Cambridge University Press.

Style de citation Chicago (17e éd.)

Walker, William O., III. National Security and Core Values in American History. Cambridge ; New York: Cambridge University Press, 2009.

Style de citation MLA (8e éd.)

Walker, William O., III. National Security and Core Values in American History. Cambridge University Press, 2009.