Perkins, D. (1963). A history of the Monroe doctrine. Little, Brown.
Cita Chicago (17th ed.)Perkins, Dexter. A History of the Monroe Doctrine. Boston: Little, Brown, 1963.
Cita MLA (9th ed.)Perkins, Dexter. A History of the Monroe Doctrine. Little, Brown, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.