Pilsbry, H. A. (1940). Land mollusca of North America (North of Mexico). Wickersham Printing.
Chicago Style (17th ed.) CitationPilsbry, Henry Augustus. Land Mollusca of North America (North of Mexico). Philadelphia: Wickersham Printing, 1940.
MLA (9th ed.) CitationPilsbry, Henry Augustus. Land Mollusca of North America (North of Mexico). Wickersham Printing, 1940.
Warning: These citations may not always be 100% accurate.