APA (7th ed.) Citation

Webb, W. F. (1942). United States Mollusca: A descriptive manual of many of the marine, land and fresh water shells of North America, north of Mexico. All species covered in the book are fully illustrated ("First edition.".). Ideal Printing.

Chicago Style (17th ed.) Citation

Webb, Walter Freeman. United States Mollusca: A Descriptive Manual of Many of the Marine, Land and Fresh Water Shells of North America, North of Mexico. All Species Covered in the Book Are Fully Illustrated. "First edition.". Florida: Ideal Printing, 1942.

MLA (9th ed.) Citation

Webb, Walter Freeman. United States Mollusca: A Descriptive Manual of Many of the Marine, Land and Fresh Water Shells of North America, North of Mexico. All Species Covered in the Book Are Fully Illustrated. "First edition.". Ideal Printing, 1942.