APA (7th ed.) Citation

Ascher, M., & Ascher, R. (1997). Mathematics of the Incas: Code of the Quipu (1a. ed.). Dover Publications.

Chicago Style (17th ed.) Citation

Ascher, Marcia, and Robert Ascher. Mathematics of the Incas: Code of the Quipu. 1a. ed. Nueva York: Dover Publications, 1997.

MLA (9th ed.) Citation

Ascher, Marcia, and Robert Ascher. Mathematics of the Incas: Code of the Quipu. 1a. ed. Dover Publications, 1997.