APA (7th ed.) Citation

Locke, L. L. (1923). The ancient quipu or Peruvian knot record. The American Museum of Natural History.

Chicago Style (17th ed.) Citation

Locke, L. Leland. The Ancient Quipu or Peruvian Knot Record. [New York]: The American Museum of Natural History, 1923.

MLA (9th ed.) Citation

Locke, L. Leland. The Ancient Quipu or Peruvian Knot Record. The American Museum of Natural History, 1923.

Warning: These citations may not always be 100% accurate.