Citazione Stile APA (7a Edizione)

Hughes, E. J. (1973). The living presidency: The resources and dilemmas of the American Presidential Office / by Emmet John Hughes. Coward, McCann & Geoghegan.

Citazione stile Chigago Style (17a edizione)

Hughes, Emmet John. The Living Presidency: The Resources and Dilemmas of the American Presidential Office / by Emmet John Hughes. New York: Coward, McCann & Geoghegan, 1973.

Citatione MLA (8a ed.)

Hughes, Emmet John. The Living Presidency: The Resources and Dilemmas of the American Presidential Office / by Emmet John Hughes. Coward, McCann & Geoghegan, 1973.