APA (7th ed.) Citation

Abella, S. R. (2009). Tree canopy types constrain plant distributions in ponderosa pine-Gambel oak forests, northern Arizona. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station.

Chicago Style (17th ed.) Citation

Abella, Scott R. Tree Canopy Types Constrain Plant Distributions in Ponderosa Pine-Gambel Oak Forests, Northern Arizona. Fort Collins, CO: U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2009.

MLA (9th ed.) Citation

Abella, Scott R. Tree Canopy Types Constrain Plant Distributions in Ponderosa Pine-Gambel Oak Forests, Northern Arizona. U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2009.