APA (7th ed.) Citation

Yerkes, R. M. (1911). Introduction to psychology. Henry Holt and Company.

Chicago Style (17th ed.) Citation

Yerkes, Robert M. Introduction to Psychology. New York: Henry Holt and Company, 1911.

MLA (9th ed.) Citation

Yerkes, Robert M. Introduction to Psychology. Henry Holt and Company, 1911.