Cita APA (7a ed.)

Hull, C. L. (1934). The concept of the habit-family hierarchy and maze learning: Part I. [s.n.].

Cita Chicago Style (17a ed.)

Hull, Clark Leonard. The Concept of the Habit-family Hierarchy and Maze Learning: Part I. [S.l.]: [s.n.], 1934.

Cita MLA (9a ed.)

Hull, Clark Leonard. The Concept of the Habit-family Hierarchy and Maze Learning: Part I. [s.n.], 1934.