APA (7 ম সংস্করণ) উদ্ধৃতি

Engel, F. A., & Gordon, R. K. (1976). An ancient world preserved: Relics and records of prehistory in the Andes (Revised and updated.). Crown Publishers.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Engel, Frédéric André, এবং Rachel Kendall Gordon. An Ancient World Preserved: Relics and Records of Prehistory in the Andes. Revised and updated. New York: Crown Publishers, 1976.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Engel, Frédéric André, এবং Rachel Kendall Gordon. An Ancient World Preserved: Relics and Records of Prehistory in the Andes. Revised and updated. Crown Publishers, 1976.