Cita APA (7th ed.)

Ray, W. J. (2000). Methods: Towards a science of behavior and experience. Wadsworth.

Cita Chicago (17th ed.)

Ray, William J. Methods: Towards a Science of Behavior and Experience. Australia: Wadsworth, 2000.

Cita MLA (9th ed.)

Ray, William J. Methods: Towards a Science of Behavior and Experience. Wadsworth, 2000.