Cita APA (7a ed.)

Friede, J., & Keen, B. (1971). Bartolomé de las Casas in history: Toward an understanding of the man and his work. Northern Illinois Univeristy Press.

Cita Chicago Style (17a ed.)

Friede, Juan, y Benjamin Keen. Bartolomé De Las Casas in History: Toward an Understanding of the Man and His Work. De Kalb: Northern Illinois Univeristy Press, 1971.

Cita MLA (9a ed.)

Friede, Juan, y Benjamin Keen. Bartolomé De Las Casas in History: Toward an Understanding of the Man and His Work. Northern Illinois Univeristy Press, 1971.