Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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