APA (7th ed.) Citation

Jerome, B. A., & Keck, N. (2001). Rocks and minerals. Visual Learning Systems.

Chicago Style (17th ed.) Citation

Jerome, Brian A., and Nina Keck. Rocks and Minerals. Brandon, VT: Visual Learning Systems, 2001.

MLA (9th ed.) Citation

Jerome, Brian A., and Nina Keck. Rocks and Minerals. Visual Learning Systems, 2001.