Cita APA (7th ed.)

McIntyre, L. (1975). The incredible incas and their timeless land (Primera edición.). National Geographic Society.

Cita Chicago (17th ed.)

McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. Washington: National Geographic Society, 1975.

Cita MLA (8th ed.)

McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. National Geographic Society, 1975.