APA (7th ed.) Citation

Hop, K. D. (2010). National Park Service Vegetation Inventory Program. U.S. Department of the Interior, National Park Service, Natural Resource Program Center.

Chicago Style (17th ed.) Citation

Hop, Kevin D. National Park Service Vegetation Inventory Program. Fort Collins, Colo.: U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2010.

MLA (9th ed.) Citation

Hop, Kevin D. National Park Service Vegetation Inventory Program. U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2010.