Cite

56. [Waterfall with Pink Flowers and Blue Flowers.]

MLA

McClintock, Walter, 1870-1949. 56. [Waterfall with Pink Flowers and Blue Flowers.]. Box 70, folder 3954. 1905 1941. https://collections.library.yale.edu/catalog/2010672.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 70, folder 3954"])(1905 1941)[56. [Waterfall with Pink Flowers and Blue Flowers.]]. https://collections.library.yale.edu/catalog/2010672.