Geological Survey (U.S.), United States. Environmental Protection Agency. Region IV, & Griffith, G. E. (2002). Ecoregions of Alabama and Georgia. The Survey ; [USGS Information Services].
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Environmental Protection Agency. Region IV, and Glenn E. Griffith. Ecoregions of Alabama and Georgia. Reston, Va. : [Denver, Colo.]: The Survey ; [USGS Information Services], 2002.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Ecoregions of Alabama and Georgia. The Survey ; [USGS Information Services], 2002.
Warning: These citations may not always be 100% accurate.