APA (7th ed.) Citation

Hollingworth, H. L., & Poffenberger, A. T. (1922). Applied psychology. D. Appleton and Company.

Chicago Style (17th ed.) Citation

Hollingworth, Harry L., and Albert Théodor Poffenberger. Applied Psychology. New York ; London: D. Appleton and Company, 1922.

MLA (9th ed.) Citation

Hollingworth, Harry L., and Albert Théodor Poffenberger. Applied Psychology. D. Appleton and Company, 1922.

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