Citazione Stile APA (7a Edizione)

Hargrove, E. C. (1966). Presidential leadership: Personality and political style. Macmillan.

Citazione stile Chigago Style (17a edizione)

Hargrove, Erwin C. Presidential Leadership: Personality and Political Style. New York: Macmillan, 1966.

Citatione MLA (9a ed.)

Hargrove, Erwin C. Presidential Leadership: Personality and Political Style. Macmillan, 1966.