APA (7th ed.) Citation

Pennsylvania soil surveys. United States Department of Agriculture, Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

Pennsylvania Soil Surveys. [Washington, D.C.]: United States Department of Agriculture, Natural Resources Conservation Service.

MLA (9th ed.) Citation

Pennsylvania Soil Surveys. United States Department of Agriculture, Natural Resources Conservation Service.

Warning: These citations may not always be 100% accurate.