APA (7th ed.) Citation

Hempel, E. H. (1939). Industrial political economy. Pitman.

Chicago Style (17th ed.) Citation

Hempel, Edward Henry. Industrial Political Economy. New York: Pitman, 1939.

MLA (9th ed.) Citation

Hempel, Edward Henry. Industrial Political Economy. Pitman, 1939.

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