Cita APA (7a ed.)

Zea, L., & Oliver, A. A. (1992). The role of the Americas in history. Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Zea, Leopoldo, y Amy A. Oliver. The Role of the Americas in History. Savage (Maryland): Rowman & Littlefield, 1992.

Cita MLA (9a ed.)

Zea, Leopoldo, y Amy A. Oliver. The Role of the Americas in History. Rowman & Littlefield, 1992.