APA (7th ed.) Citation

Chellew, H. (1920). Human and industrial efficiency. G. P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Chellew, Henry. Human and Industrial Efficiency. New York, London: G. P. Putnam's Sons, 1920.

MLA (8th ed.) Citation

Chellew, Henry. Human and Industrial Efficiency. G. P. Putnam's Sons, 1920.