Cite

64. Horse Herd Feeding. Mare with a Bell in the Foreground.

MLA

McClintock, Walter, 1870-1949. 64. Horse Herd Feeding. Mare with a Bell in the Foreground.. Box 71, folder 3968. 1905 1941. https://collections.library.yale.edu/catalog/2010770.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 71, folder 3968"])(1905 1941)[64. Horse Herd Feeding. Mare with a Bell in the Foreground.]. https://collections.library.yale.edu/catalog/2010770.