APA (7th ed.) Citation

Alt, D. D., & Hyndman, D. W. (1994). Roadside geology of Montana (5. printing.). Mountain Press.

Chicago Style (17th ed.) Citation

Alt, David D., and Donald W. Hyndman. Roadside Geology of Montana. 5. printing. Missoula, MT: Mountain Press, 1994.

MLA (9th ed.) Citation

Alt, David D., and Donald W. Hyndman. Roadside Geology of Montana. 5. printing. Mountain Press, 1994.