Hobson, B., & Reinfeld, F. (1968). Pictorial guide to coin conditions ([Rev. and] enl. ed.). Doubleday.
Chicago Style (17th ed.) CitationHobson, Burton, and Fred Reinfeld. Pictorial Guide to Coin Conditions. [Rev. and] enl. ed. Garden City, N.Y.: Doubleday, 1968.
MLA (9th ed.) CitationHobson, Burton, and Fred Reinfeld. Pictorial Guide to Coin Conditions. [Rev. and] enl. ed. Doubleday, 1968.
Warning: These citations may not always be 100% accurate.