APA (7th ed.) Citation

Hergenhahn, B. R. (1974). A self-directing introduction to psychological experimentation (2d ed.). Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Hergenhahn, B. R. A Self-directing Introduction to Psychological Experimentation. 2d ed. Monterey, Calif.: Brooks/Cole Pub. Co., 1974.

MLA (9th ed.) Citation

Hergenhahn, B. R. A Self-directing Introduction to Psychological Experimentation. 2d ed. Brooks/Cole Pub. Co., 1974.