Cite

Charles Marion Russel (Self-portrait).)

MLA

Charles Marion Russell, 1864-1926. Charles Marion Russel (Self-portrait).). 1948. https://collections.library.yale.edu/catalog/2015897.

APA, 6th edition

Charles Marion Russell, 1864-1926. (1948)[Charles Marion Russel (Self-portrait).)]. https://collections.library.yale.edu/catalog/2015897.