Cita APA (7a ed.)

Lenz, M., & Jania, C. (2022). Focus ([First edition].). Ascent Audio.

Cita Chicago Style (17a ed.)

Lenz, Mike, y Carolyn Jania. Focus. [First edition]. [Place of publication not identified]: Ascent Audio, 2022.

Cita MLA (9a ed.)

Lenz, Mike, y Carolyn Jania. Focus. [First edition]. Ascent Audio, 2022.