APA (7th ed.) Citation

Drost, C. A. (2011). Population status and population genetics of northern leopard frogs in Arizona. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Drost, Charles A. Population Status and Population Genetics of Northern Leopard Frogs in Arizona. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2011.

MLA (9th ed.) Citation

Drost, Charles A. Population Status and Population Genetics of Northern Leopard Frogs in Arizona. U.S. Department of the Interior, U.S. Geological Survey, 2011.