Burch, J. B. (1962). How to know the eastern land snails: Pictured-keys for determining the land snails of the United States occurring east of the Rocky Mountain Divide. W.C. Brown Company.
Chicago Style (17th ed.) CitationBurch, J. B. How to Know the Eastern Land Snails: Pictured-keys for Determining the Land Snails of the United States Occurring East of the Rocky Mountain Divide. Dubuque, Iowa: W.C. Brown Company, 1962.
MLA (9th ed.) CitationBurch, J. B. How to Know the Eastern Land Snails: Pictured-keys for Determining the Land Snails of the United States Occurring East of the Rocky Mountain Divide. W.C. Brown Company, 1962.
Warning: These citations may not always be 100% accurate.