Haanel, C. F. (1928). The new psychology. Master Key Institute.
Chicago Style (17th ed.) CitationHaanel, Charles Francis. The New Psychology. New York, N.Y: Master Key Institute, 1928.
MLA (9th ed.) CitationHaanel, Charles Francis. The New Psychology. Master Key Institute, 1928.
Warning: These citations may not always be 100% accurate.