APA Style

Zinsser, W. (1990). On Writing Well : An informal guide to writing nonfiction / William Zinsser (4). New York: Harper Perennial.

MLA Style

Zinsser, William. "On Writing Well : An informal guide to writing nonfiction / William Zinsser". 4 New York: Harper Perennial, 1990. Textbook ห้องสมุดทั่วไป.