Cita APA (7a ed.)

Perkins, D. (1963). A History of the Monroe Doctrine. Little, Brown.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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