APA (7th ed.) Citation

Thomas, K. A., Gass, L. R., & Guertin, P. P. (2012). Plant distributions in the southwestern United States: A scenario assessment of the modern-day and future distribution ranges of 166 species. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Thomas, Kathryn A., Leila Rachel Gass, and Patricia P. Guertin. Plant Distributions in the Southwestern United States: A Scenario Assessment of the Modern-day and Future Distribution Ranges of 166 Species. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Thomas, Kathryn A., et al. Plant Distributions in the Southwestern United States: A Scenario Assessment of the Modern-day and Future Distribution Ranges of 166 Species. U.S. Department of the Interior, U.S. Geological Survey, 2012.