Style de citation APA (7e éd.)

Roper, J. (2000). The American presidents: Heroic leadership from Kennedy to Clinton. Edinburgh University Press.

Style de citation Chicago (17e éd.)

Roper, Jon. The American Presidents: Heroic Leadership from Kennedy to Clinton. Edinburgh: Edinburgh University Press, 2000.

Style de citation MLA (8e éd.)

Roper, Jon. The American Presidents: Heroic Leadership from Kennedy to Clinton. Edinburgh University Press, 2000.