APA (7th ed.) Citation

Leffingwell, G., & Lesser, M. A. (1943). Soap. Industrial Medicine., 12, 739.

Chicago Style (17th ed.) Citation

Leffingwell, G., and M. A. Lesser. "Soap." Industrial Medicine. 12 (1943): 739.

MLA (9th ed.) Citation

Leffingwell, G., and M. A. Lesser. "Soap." Industrial Medicine., vol. 12, 1943, p. 739.