Cita APA (7a ed.)

Madariaga, S. d. (1949). Christopher Columbus: Being the Life of the Very Magnificent Lord Don Cristobal Colón (New ed.). Hollis & Carter.

Cita Chicago Style (17a ed.)

Madariaga, Salvador de. Christopher Columbus: Being the Life of the Very Magnificent Lord Don Cristobal Colón. New ed. London: Hollis & Carter, 1949.

Cita MLA (9a ed.)

Madariaga, Salvador de. Christopher Columbus: Being the Life of the Very Magnificent Lord Don Cristobal Colón. New ed. Hollis & Carter, 1949.