APA (7th ed.) Citation

Warren, H. C. (1920). Human psychology. Houghton Mifflin Co.

Chicago Style (17th ed.) Citation

Warren, Howard C. Human Psychology. Boston, New York: Houghton Mifflin Co, 1920.

MLA (9th ed.) Citation

Warren, Howard C. Human Psychology. Houghton Mifflin Co, 1920.

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