Cite

5. [Horses in a Grassy Park.]

MLA

McClintock, Walter, 1870-1949. 5. [Horses in a Grassy Park.]. Box 60, folder 2925. 1941. https://collections.library.yale.edu/catalog/2008341.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2925"])(1941)[5. [Horses in a Grassy Park.]]. https://collections.library.yale.edu/catalog/2008341.