APA (7th ed.) Citation

Ray, W. S. (1967). The experimental psychology of original thinking (1. print.). Macmillan.

Chicago Style (17th ed.) Citation

Ray, Wilbert S. The Experimental Psychology of Original Thinking. 1. print. New York: Macmillan, 1967.

MLA (9th ed.) Citation

Ray, Wilbert S. The Experimental Psychology of Original Thinking. 1. print. Macmillan, 1967.