Cita APA (7a ed.)

Langley, L. D. (1989). The United States and the Caribbean in the twentieth Century (4th ed.). University of Georgia Press.

Cita Chicago Style (17a ed.)

Langley, Lester D. The United States and the Caribbean in the Twentieth Century. 4th ed. Athens ; London: University of Georgia Press, 1989.

Cita MLA (9a ed.)

Langley, Lester D. The United States and the Caribbean in the Twentieth Century. 4th ed. University of Georgia Press, 1989.