Zinsser, W. (2006). On writing well: The classic guide to writing nonfiction (30th anniversary ed.). HarperCollins.
Chicago Style (17th ed.) CitationZinsser, William. On Writing Well: The Classic Guide to Writing Nonfiction. 30th anniversary ed. New York: HarperCollins, 2006.
MLA (9th ed.) CitationZinsser, William. On Writing Well: The Classic Guide to Writing Nonfiction. 30th anniversary ed. HarperCollins, 2006.
Warning: These citations may not always be 100% accurate.