Cita APA (7th ed.)

Williams, J. M. (2009). Style: The basics of clarity and grace. Pearson Longman.

Cita Chicago (17th ed.)

Williams, Joseph M. Style: The Basics of Clarity and Grace. New York: Pearson Longman, 2009.

Cita MLA (8th ed.)

Williams, Joseph M. Style: The Basics of Clarity and Grace. Pearson Longman, 2009.