APA (7th ed.) Citation

Erixson, J. A., & Cogan, D. (2012). Vegetation inventory project. U.S. Department of Interior, National Park Service, Natural Resource Stewardship and Science.

Chicago Style (17th ed.) Citation

Erixson, John A., and Dan Cogan. Vegetation Inventory Project. Fort Collins, Colorado: U.S. Department of Interior, National Park Service, Natural Resource Stewardship and Science, 2012.

MLA (9th ed.) Citation

Erixson, John A., and Dan Cogan. Vegetation Inventory Project. U.S. Department of Interior, National Park Service, Natural Resource Stewardship and Science, 2012.