APA (7th ed.) Citation

Thornberry, T. L. (2009). Catoctin mountain park: Geologic resources inventory report. Geologic Resources Division, Natural Resource Program Center : U.S. Department of the Interior, National Park Service, Natural Resource Program Center.

Chicago Style (17th ed.) Citation

Thornberry, Trista L. Catoctin Mountain Park: Geologic Resources Inventory Report. Denver, Colorado: Geologic Resources Division, Natural Resource Program Center : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009.

MLA (9th ed.) Citation

Thornberry, Trista L. Catoctin Mountain Park: Geologic Resources Inventory Report. Geologic Resources Division, Natural Resource Program Center : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009.