APA (7th ed.) Citation

Carruthers, T. J. B. (2009). Rock Creek Park natural resource condition assessment: National Capital Region network. U.S. Department of the Interior, National Park Service, Natural Resource Program Center.

Chicago Style (17th ed.) Citation

Carruthers, Tim J. B. Rock Creek Park Natural Resource Condition Assessment: National Capital Region Network. Fort Collins, Colorado: U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009.

MLA (9th ed.) Citation

Carruthers, Tim J. B. Rock Creek Park Natural Resource Condition Assessment: National Capital Region Network. U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009.