McIntyre, L. (1975). The incredible incas and their timeless land (Primera edición.). National Geographic Society.
Citazione stile Chigago Style (17a edizione)McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. Washington: National Geographic Society, 1975.
Citatione MLA (8a ed.)McIntyre, Loren. The Incredible Incas and Their Timeless Land. Primera edición. National Geographic Society, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.