APA (7th ed.) Citation

Pomeroy, J. S. (1982). Mass movement in two selected areas of western Washington County, Pennsylvania. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Pomeroy, John S. Mass Movement in Two Selected Areas of Western Washington County, Pennsylvania. Washington: United States Department of the Interior, Geological Survey, 1982.

MLA (9th ed.) Citation

Pomeroy, John S. Mass Movement in Two Selected Areas of Western Washington County, Pennsylvania. United States Department of the Interior, Geological Survey, 1982.