APA (7th ed.) Citation

Hilgard, E. R. (1957). Introduction to psychology (2nd ed.). Harcourt Brace.

Chicago Style (17th ed.) Citation

Hilgard, Ernest Ropiequet. Introduction to Psychology. 2nd ed. New York: Harcourt Brace, 1957.

MLA (9th ed.) Citation

Hilgard, Ernest Ropiequet. Introduction to Psychology. 2nd ed. Harcourt Brace, 1957.