APA-referens (7:e uppl.)
ebrary, Inc, Tunnell, J. W., Hicks, D. W., & Withers, K. (2010). Encyclopedia of Texas seashells: Identification, ecology, distribution, and history. Texas A&M University Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, John Wesley Tunnell, David W. Hicks, och Kim Withers. Encyclopedia of Texas Seashells: Identification, Ecology, Distribution, and History. College Station: Texas A&M University Press, 2010.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Encyclopedia of Texas Seashells: Identification, Ecology, Distribution, and History. Texas A&M University Press, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.