MLA

F. O. C. Darley, John G. Wellstood, and W. W. Rice. Lassoing Wild Horses. 1872. https://collections.library.yale.edu/catalog/2016474.

APA, 6th edition

F. O. C. Darley, J. G. W., & Rice, W. W. (1872). Lassoing wild horses [Intaglio prints]. https://collections.library.yale.edu/catalog/2016474.