Cite

700c, SD13a. [Prairie with Flowers.]

MLA

McClintock, Walter, 1870-1949. 700c, SD13a. [Prairie with Flowers.]. Box 65, folder 3422. 1935. https://collections.library.yale.edu/catalog/2009250.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 65, folder 3422"])(1935)[700c, SD13a. [Prairie with Flowers.]]. https://collections.library.yale.edu/catalog/2009250.