Cite

12a. [Pink Twin-Flowers ( Linnea borealis).]

MLA

McClintock, Walter, 1870-1949. 12a. [Pink Twin-Flowers ( Linnea borealis).]. Box 60, folder 2934. 1941. https://collections.library.yale.edu/catalog/2008350.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2934"])(1941)[12a. [Pink Twin-Flowers ( Linnea borealis).]]. https://collections.library.yale.edu/catalog/2008350.