Cita APA (7a ed.)

Ferris, W. R., & Lum, R. (1998). Mule trader: Ray Lum's tales of horses, mules, and men. Banner Books.

Cita Chicago Style (17a ed.)

Ferris, William R., y Ray Lum. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. Jackson: Banner Books, 1998.

Cita MLA (8a ed.)

Ferris, William R., y Ray Lum. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. Banner Books, 1998.