Cita APA (7th ed.)

RAY, W. J., & RAVIZZA, R. (1984). Methods toward a science of behavior and experience.--Ed.2. Wadsworth.

Cita Chicago (17th ed.)

RAY, William J., i Richard RAVIZZA. Methods Toward a Science of Behavior and Experience.--Ed.2. Belmont: Wadsworth, 1984.

Cita MLA (9th ed.)

RAY, William J., i Richard RAVIZZA. Methods Toward a Science of Behavior and Experience.--Ed.2. Wadsworth, 1984.