Zempel, E. N., & Verkler, L. A. (1989). First editions, a guide to identification: Statements of selected North American, British Commonwealth, and Irish publishers on their methods of designating first editions (2nd ed.). Spoon River Press.
Chicago Style (17th ed.) CitationZempel, Edward N., and Linda A. Verkler. First Editions, a Guide to Identification: Statements of Selected North American, British Commonwealth, and Irish Publishers on Their Methods of Designating First Editions. 2nd ed. Peoria, Ill.: Spoon River Press, 1989.
MLA (9th ed.) CitationZempel, Edward N., and Linda A. Verkler. First Editions, a Guide to Identification: Statements of Selected North American, British Commonwealth, and Irish Publishers on Their Methods of Designating First Editions. 2nd ed. Spoon River Press, 1989.