Cita APA (7th ed.)

Río, A. d. (1955). Responsible freedom in the Americas. Doubleday.

Cita Chicago (17th ed.)

Río, Angel del. Responsible Freedom in the Americas. Nueva York: Doubleday, 1955.

Cita MLA (9th ed.)

Río, Angel del. Responsible Freedom in the Americas. Doubleday, 1955.