Cite

G919e. Girl on Horse.

MLA

McClintock, Walter, 1870-1949. G919e. Girl on Horse.. Box 115, folder 5364. 1909 Summer. https://collections.library.yale.edu/catalog/10451164.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 115, folder 5364"])(1909 Summer)[G919e. Girl on Horse.]. https://collections.library.yale.edu/catalog/10451164.