Citazione Stile APA (7a Edizione)

Perkins, D. (1963). A history of the Monroe doctrine. Little, Brown.

Citazione stile Chigago Style (17a edizione)

Perkins, Dexter. A History of the Monroe Doctrine. Boston: Little, Brown, 1963.

Citatione MLA (9a ed.)

Perkins, Dexter. A History of the Monroe Doctrine. Little, Brown, 1963.