APA (7th ed.) Citation

Thornberry, T. L. (2013). Delaware Water Gap National Recreation Area: Geologic resources inventory report. National Park Service, Geologic Resources Division ; U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science.

Chicago Style (17th ed.) Citation

Thornberry, Trista L. Delaware Water Gap National Recreation Area: Geologic Resources Inventory Report. Denver, CO : Fort Collins, Colorado: National Park Service, Geologic Resources Division ; U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.

MLA (9th ed.) Citation

Thornberry, Trista L. Delaware Water Gap National Recreation Area: Geologic Resources Inventory Report. National Park Service, Geologic Resources Division ; U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.