APA (7th ed.) Citation

Cogan, D. (2011). Vegetation inventory project. U.S. Department of Interior, National Park Service, Natural Resource Program Center.

Chicago Style (17th ed.) Citation

Cogan, Dan. Vegetation Inventory Project. Fort Collins, Colorado: U.S. Department of Interior, National Park Service, Natural Resource Program Center, 2011.

MLA (9th ed.) Citation

Cogan, Dan. Vegetation Inventory Project. U.S. Department of Interior, National Park Service, Natural Resource Program Center, 2011.