APA (7th ed.) Zitazioa

Ferris, W. R., & Welty, E. (1992). Mule trader: Ray Lum's tales of horses, mules, and men. University Press of Mississippi.

Chicago Style (17th ed.) Zitazioa

Ferris, William R., eta Eudora Welty. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. Jackson, Mississippi: University Press of Mississippi, 1992.

MLA (9th ed.) Zitazioa

Ferris, William R., eta Eudora Welty. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. University Press of Mississippi, 1992.