On the souther plains in 1860
MLA
Frederick Remington, 1861-1909. On the souther plains in 1860. 1909. https://collections.library.yale.edu/catalog/2016274.
APA, 6th edition
Frederick Remington, 1861-1909. (1909)[On the souther plains in 1860]. https://collections.library.yale.edu/catalog/2016274.