Ferris, W. R., & Welty, E. (1992). Mule trader: Ray Lum's tales of horses, mules, and men. University Press of Mississippi.
芝加哥风格引文Ferris, William R., 与 Eudora Welty. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. Jackson, Mississippi: University Press of Mississippi, 1992.
MLA引文Ferris, William R., 与 Eudora Welty. Mule Trader: Ray Lum's Tales of Horses, Mules, and Men. University Press of Mississippi, 1992.
警告：这些引文格式不一定是100％准确.