APA (7th ed.) Citation

Jean, F. C., Harrah, E. C., & Powers, S. R. (1943). Man and his physical universe. Ginn.

Chicago Style (17th ed.) Citation

Jean, Frank Covert, Ezra Clarence Harrah, and Samuel Ralph Powers. Man and His Physical Universe. Boston: Ginn, 1943.

MLA (9th ed.) Citation

Jean, Frank Covert, et al. Man and His Physical Universe. Ginn, 1943.