APA (7th ed.) Citation

Pomeroy, J. S. (1978). Isopleth map of landslide deposits, Washington County, Pennsylvania: A guide to comparative slope stability. The Survey.

Chicago Style (17th ed.) Citation

Pomeroy, John S. Isopleth Map of Landslide Deposits, Washington County, Pennsylvania: A Guide to Comparative Slope Stability. Reston, Va.: The Survey, 1978.

MLA (9th ed.) Citation

Pomeroy, John S. Isopleth Map of Landslide Deposits, Washington County, Pennsylvania: A Guide to Comparative Slope Stability. The Survey, 1978.