Citação norma APA

On writing well: An informal guide to writing nonfiction. (1987). On writing well: An informal guide to writing nonfiction. New York: Harper and Row.

Citação norma Chicago

On writing well: An informal guide to writing nonfiction. On Writing Well: An Informal Guide to Writing Nonfiction. New York: Harper and Row, 1987.

Citação norma MLA

On writing well: An informal guide to writing nonfiction. On Writing Well: An Informal Guide to Writing Nonfiction. New York: Harper and Row, 1987.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.