Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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