Keith, T. B., & Pole, G. A. (1976). The horse interlude: A pictorial history of horse and man in the inland Northwest. University Press of Idaho.
Cita Chicago Style (17a ed.)Keith, Thomas B., y Gregory A. Pole. The Horse Interlude: A Pictorial History of Horse and Man in the Inland Northwest. Moscow: University Press of Idaho, 1976.
Cita MLA (8a ed.)Keith, Thomas B., y Gregory A. Pole. The Horse Interlude: A Pictorial History of Horse and Man in the Inland Northwest. University Press of Idaho, 1976.
Precaución: Estas citas no son 100% exactas.