Cita APA (7a ed.)

German, K. M. (2010). Principles of public speaking (17th ed.). Allyn & Bacon.

Cita Chicago Style (17a ed.)

German, Kathleen M. Principles of Public Speaking. 17th ed. Boston [etc.]: Allyn & Bacon, 2010.

Cita MLA (9a ed.)

German, Kathleen M. Principles of Public Speaking. 17th ed. Allyn & Bacon, 2010.