Cita APA (7a ed.)

Smart, J. (2020). Clarity: Clear mind, better performance, bigger results (Unabridged.). Gildan Audio.

Cita Chicago Style (17a ed.)

Smart, Jamie. Clarity: Clear Mind, Better Performance, Bigger Results. Unabridged. New York: Gildan Audio, 2020.

Cita MLA (8a ed.)

Smart, Jamie. Clarity: Clear Mind, Better Performance, Bigger Results. Unabridged. Gildan Audio, 2020.