MLA

Charles Marion Russell, 1864-1926, Dick Jones Picture Co., Huntington Park, California. Cowboy Life. undated. https://collections.library.yale.edu/catalog/2016430.

APA, 6th edition

Charles Marion Russell, 1864-1926, & Dick Jones Picture Co., Huntington Park, California. (undated)[Cowboy Life]. https://collections.library.yale.edu/catalog/2016430.