Cita APA (7th ed.)

Perkins, D. (1965). The Monroe doctrine 1823-1826. P.Smith.

Cita Chicago (17th ed.)

Perkins, Dexter. The Monroe Doctrine 1823-1826. Gloucester, Massachusetts: P.Smith, 1965.

Cita MLA (8th ed.)

Perkins, Dexter. The Monroe Doctrine 1823-1826. P.Smith, 1965.