(1986). Mysteries of the ancient Americas: The New World before Columbus. Pleasantville, N.Y.: Reader's Digest Association.
Чикагска система за цитиранеMysteries of the Ancient Americas: The New World Before Columbus. Pleasantville, N.Y.: Reader's Digest Association, 1986.
MLA формат за цитиранеMysteries of the Ancient Americas: The New World Before Columbus. Pleasantville, N.Y.: Reader's Digest Association, 1986.
Внимание: Тези цитати може да не са 100% точни.