APA (7th ed.) Citation

Wolff, W. (1947). What is psychology: A basic survey .. Grune and Stratton.

Chicago Style (17th ed.) Citation

Wolff, Werner. What Is Psychology: A Basic Survey .. New York: Grune and Stratton, 1947.

MLA (9th ed.) Citation

Wolff, Werner. What Is Psychology: A Basic Survey .. Grune and Stratton, 1947.