Cita APA (7a ed.)

Joseph, A. (2014). Vocal leadership: 7 minutes a day to communication mastery ([First edition].). McGraw Hill-Ascent Audio.

Cita Chicago Style (17a ed.)

Joseph, Arthur. Vocal Leadership: 7 Minutes a Day to Communication Mastery. [First edition]. [Place of publication not identified]: McGraw Hill-Ascent Audio, 2014.

Cita MLA (9a ed.)

Joseph, Arthur. Vocal Leadership: 7 Minutes a Day to Communication Mastery. [First edition]. McGraw Hill-Ascent Audio, 2014.