Cite

12c. [Bear Grass ( Xerophyllum tenax).]

MLA

McClintock, Walter, 1870-1949. 12c. [Bear Grass ( Xerophyllum tenax).]. Box 60, folder 2936. 1941. https://collections.library.yale.edu/catalog/2008352.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2936"])(1941)[12c. [Bear Grass ( Xerophyllum tenax).]]. https://collections.library.yale.edu/catalog/2008352.