Wagner, R. J. L., & Abbott, R. T. (1964). Van Nostrand's standard catalog of shells: Current values, illustations, names, geographical distributions, and classification of the sea shells of the world ([1st ed.].). Van Nostrand.
Chicago Style (17th ed.) CitationWagner, Robert J. L., and R. Tucker Abbott. Van Nostrand's Standard Catalog of Shells: Current Values, Illustations, Names, Geographical Distributions, and Classification of the Sea Shells of the World. [1st ed.]. Princeton, N.J.: Van Nostrand, 1964.
MLA (9th ed.) CitationWagner, Robert J. L., and R. Tucker Abbott. Van Nostrand's Standard Catalog of Shells: Current Values, Illustations, Names, Geographical Distributions, and Classification of the Sea Shells of the World. [1st ed.]. Van Nostrand, 1964.
Warning: These citations may not always be 100% accurate.