Cita APA

Ray, W. S. 1., & Ray, W. S. 1. (1964). The science of psychology: An introduction. New York, New York: Macmillan.

Citación estilo Chicago

Ray, William Samuel 1917-, y William Samuel 1917- Ray. The Science of Psychology: An Introduction. New York, New York: Macmillan, 1964.

Cita MLA

Ray, William Samuel 1917-, y William Samuel 1917- Ray. The Science of Psychology: An Introduction. New York, New York: Macmillan, 1964.