APA (7th ed.) Citation

Thorndike, J. J., Fagan, B., Karp, W., & Casson, L. (1977). Mysteries of the past. American Heritage.

Chicago Style (17th ed.) Citation

Thorndike, Joseph Jacobs, Brian Fagan, Walter Karp, and Lionel Casson. Mysteries of the Past. New York: American Heritage, 1977.

MLA (8th ed.) Citation

Thorndike, Joseph Jacobs, et al. Mysteries of the Past. American Heritage, 1977.