APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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