Style de citation APA (7e éd.)

Preston, T. (2001). The President and his inner circle: Leadership style and the advisory process in foreign affairs. Columbia University Press.

Style de citation Chicago (17e éd.)

Preston, Thomas. The President and His Inner Circle: Leadership Style and the Advisory Process in Foreign Affairs. New York: Columbia University Press, 2001.

Style de citation MLA (8e éd.)

Preston, Thomas. The President and His Inner Circle: Leadership Style and the Advisory Process in Foreign Affairs. Columbia University Press, 2001.