Cita APA (7a ed.)

Langley, L. D. (1985). The United States and the Caribbean in the twentieth century. The University of Georgia.

Cita Chicago Style (17a ed.)

Langley, Lester D. The United States and the Caribbean in the Twentieth Century. Atlanta: The University of Georgia, 1985.

Cita MLA (9a ed.)

Langley, Lester D. The United States and the Caribbean in the Twentieth Century. The University of Georgia, 1985.