APA (7th ed.) Citation

Hull, C. L. (1932). The goal gradient hypothesis and maze learning. [s.n.].

Chicago Style (17th ed.) Citation

Hull, Clark Leonard. The Goal Gradient Hypothesis and Maze Learning. [S.l.]: [s.n.], 1932.

MLA (9th ed.) Citation

Hull, Clark Leonard. The Goal Gradient Hypothesis and Maze Learning. [s.n.], 1932.