APA (7th ed.) Citation

Haanel, C. F. (1928). The new psychology. Master Key Institute.

Chicago Style (17th ed.) Citation

Haanel, Charles Francis. The New Psychology. New York, N.Y: Master Key Institute, 1928.

MLA (9th ed.) Citation

Haanel, Charles Francis. The New Psychology. Master Key Institute, 1928.

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