Citazione Stile APA (7a Edizione)

Humboldt, A. v., & Thrasher, J. S. (1969). The island of Cuba. Negro Universities Press.

Citazione stile Chigago Style (17a edizione)

Humboldt, Alexander von, e John S. Thrasher. The Island of Cuba. New York: Negro Universities Press, 1969.

Citatione MLA (8a ed.)

Humboldt, Alexander von, e John S. Thrasher. The Island of Cuba. Negro Universities Press, 1969.