Cite

Loops and Swift Horses are Surer than Lead

MLA

Charles Marion Russell, 1864-1926, Dick Jones Picture Co., Huntington Park, California. Loops and Swift Horses are Surer than Lead. ca. 1916. https://collections.library.yale.edu/catalog/2016300.

APA, 6th edition

Charles Marion Russell, 1864-1926, & Dick Jones Picture Co., Huntington Park, California. (ca. 1916)[Loops and Swift Horses are Surer than Lead]. https://collections.library.yale.edu/catalog/2016300.