APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Ray, William Samuel. The Science of Psychology: An Introduction. Macmillan, 1964.