APA (7th ed.) Citation

Ray, W. S. (1967). The experimental psychology of original thinking / by W.S. Ray. Macmillan.

Chicago Style (17th ed.) Citation

Ray, W. S. The Experimental Psychology of Original Thinking / by W.S. Ray. Macmillan, 1967.

MLA (9th ed.) Citation

Ray, W. S. The Experimental Psychology of Original Thinking / by W.S. Ray. Macmillan, 1967.

Warning: These citations may not always be 100% accurate.