Cita APA (7a ed.)

Ellis, C. D. (2020). What it takes: Seven secrets of success from the world's greatest professional firms (Unabridged.). Gildan Audio.

Cita Chicago Style (17a ed.)

Ellis, Charles D. What It Takes: Seven Secrets of Success from the World's Greatest Professional Firms. Unabridged. New York: Gildan Audio, 2020.

Cita MLA (8a ed.)

Ellis, Charles D. What It Takes: Seven Secrets of Success from the World's Greatest Professional Firms. Unabridged. Gildan Audio, 2020.