Franklin

MLA

Zinsser, William Knowlton. On Writing Well : the Classic Guide to Writing Nonfiction. 25th anniversary ed., 6th ed. rev. and updated., 1st HarperResource Quill ed. New York: Quill, 2001.

APA

Zinsser, W. Knowlton. (2001). On writing well : the classic guide to writing nonfiction. 25th anniversary ed., 6th ed. rev. and updated., 1st HarperResource Quill ed. New York: Quill.

Chicago

Zinsser, William Knowlton. On Writing Well: The Classic Guide to Writing Nonfiction. 25th anniversary ed., 6th ed. rev. and updated., 1st HarperResource Quill ed. New York: Quill, 2001.