APA (7th ed.) Citation

Valens, E. G. (1964). The number of things: Pythagoras, geometry, and humming strings (First edition.). Dutton.

Chicago Style (17th ed.) Citation

Valens, Evans G. The Number of Things: Pythagoras, Geometry, and Humming Strings. First edition. New York: Dutton, 1964.

MLA (9th ed.) Citation

Valens, Evans G. The Number of Things: Pythagoras, Geometry, and Humming Strings. First edition. Dutton, 1964.