Cite

301, 456, 1000. [Meadow of Blue Flowers and Purple Flowers.]

MLA

McClintock, Walter, 1870-1949. 301, 456, 1000. [Meadow of Blue Flowers and Purple Flowers.]. Box 62, folder 3181. 1940. https://collections.library.yale.edu/catalog/2010949.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 62, folder 3181"])(1940)[301, 456, 1000. [Meadow of Blue Flowers and Purple Flowers.]]. https://collections.library.yale.edu/catalog/2010949.