APA (7th ed.) Citation

Thorndike, E. L. (1922). The psychology of arithmetic. The Macmillan Company.

Chicago Style (17th ed.) Citation

Thorndike, Edward L. The Psychology of Arithmetic. New York: The Macmillan Company, 1922.

MLA (9th ed.) Citation

Thorndike, Edward L. The Psychology of Arithmetic. The Macmillan Company, 1922.