APA (7th ed.) Citation

Geological Society of America, Moores, E. M., & Wahl, F. M. (1988). The Art of Geology. Geological Society of America.

Chicago Style (17th ed.) Citation

Geological Society of America, Eldridge M. Moores, and F. Michael Wahl. The Art of Geology. Boulder, Colo.: Geological Society of America, 1988.

MLA (9th ed.) Citation

Geological Society of America, et al. The Art of Geology. Geological Society of America, 1988.