Cita APA (7th ed.)

Williams, J. M. (2003). Style: Lessons in clarity and grace (9th ed.). Longman.

Cita Chicago (17th ed.)

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. New York: Longman, 2003.

Cita MLA (9th ed.)

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. Longman, 2003.