APA (7th ed.) Citation

Otton, E. G. (1981). The availability of ground water in western Montgomery County, Maryland. Dept. of Natural Resources, Maryland Geological Survey.

Chicago Style (17th ed.) Citation

Otton, E. G. The Availability of Ground Water in Western Montgomery County, Maryland. [Baltimore, Md.]: Dept. of Natural Resources, Maryland Geological Survey, 1981.

MLA (9th ed.) Citation

Otton, E. G. The Availability of Ground Water in Western Montgomery County, Maryland. Dept. of Natural Resources, Maryland Geological Survey, 1981.