APA (7th ed.) Citation

Lemke, R. W., & Maughan, E. K. (1977). Engineering geology of the city of Great Falls and vicinity, Montana. The Survey.

Chicago Style (17th ed.) Citation

Lemke, Richard Walter, and Edwin K. Maughan. Engineering Geology of the City of Great Falls and Vicinity, Montana. Reston, Va.: The Survey, 1977.

MLA (9th ed.) Citation

Lemke, Richard Walter, and Edwin K. Maughan. Engineering Geology of the City of Great Falls and Vicinity, Montana. The Survey, 1977.