APA (7th ed.) Citation

Ascher, M., & Ascher, R. (1981). Code of the Quipu. A Study in Media, Mathematics, and Culture.

Chicago Style (17th ed.) Citation

Ascher, Marcia, and Robert Ascher. Code of the Quipu. A Study in Media, Mathematics, and Culture. Ann Arbor, Mich, 1981.

MLA (8th ed.) Citation

Ascher, Marcia, and Robert Ascher. Code of the Quipu. A Study in Media, Mathematics, and Culture. 1981.

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