Cita APA

Hultz, F. S., & Hill, J. A. (1931). Range sheep and wool in the seventeen western states. Nueva York: Willey.

Citación estilo Chicago

Hultz, Fred S., y John A. Hill. Range Sheep and Wool in the Seventeen Western States. Nueva York: Willey, 1931.

Cita MLA

Hultz, Fred S., y John A. Hill. Range Sheep and Wool in the Seventeen Western States. Nueva York: Willey, 1931.