Cite

503. Big Moon. Horseback. Camp in Distance.

MLA

McClintock, Walter, 1870-1949. 503. Big Moon. Horseback. Camp in Distance.. Box 63, folder 3230. 1947. https://collections.library.yale.edu/catalog/2008793.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 63, folder 3230"])(1947)[503. Big Moon. Horseback. Camp in Distance.]. https://collections.library.yale.edu/catalog/2008793.