Andrews, J. (1981). Texas shells: A field guide. University of Texas Press.
Chicago Style (17th ed.) CitationAndrews, Jean. Texas Shells: A Field Guide. Austin: University of Texas Press, 1981.
MLA (9th ed.) CitationAndrews, Jean. Texas Shells: A Field Guide. University of Texas Press, 1981.
Warning: These citations may not always be 100% accurate.