APA Citation

Ricketts, T. H. (1999). Terrestrial ecoregions of North America: A conservation assessment. Washington, D.C.: Island Press.

Chicago Style Citation

Ricketts, Taylor H. Terrestrial Ecoregions of North America: A Conservation Assessment. Washington, D.C.: Island Press, 1999.

MLA Citation

Ricketts, Taylor H. Terrestrial Ecoregions of North America: A Conservation Assessment. Washington, D.C.: Island Press, 1999.

Warning: These citations may not always be 100% accurate.