Cita APA (7th ed.)

Zarefsky, D. (2017). Public speaking: Strategies for success (Eighth edition.). Pearson.

Cita Chicago (17th ed.)

Zarefsky, David. Public Speaking: Strategies for Success. Eighth edition. New York, NY: Pearson, 2017.

Cita MLA (9th ed.)

Zarefsky, David. Public Speaking: Strategies for Success. Eighth edition. Pearson, 2017.