Cite

(Trail's end) (The last unfinished, unsigned Russell oil painting )

MLA

Charles Marion Russell, 1864-1926. (Trail's end) (The last unfinished, unsigned Russell oil painting ). 1948. https://collections.library.yale.edu/catalog/2015896.

APA, 6th edition

Charles Marion Russell, 1864-1926. (1948)[(Trail's end) (The last unfinished, unsigned Russell oil painting )]. https://collections.library.yale.edu/catalog/2015896.