Citazione Stile APA (7a Edizione)

Nikolaieff, G. A. (1974). The President and the Constitution. H. W. Wilson.

Citazione stile Chigago Style (17a edizione)

Nikolaieff, George A. The President and the Constitution. New York: H. W. Wilson, 1974.

Citatione MLA (9a ed.)

Nikolaieff, George A. The President and the Constitution. H. W. Wilson, 1974.