Cite

45. Bear Grass.

MLA

McClintock, Walter, 1870-1949. 45. Bear Grass.. Box 70, folder 3934. 1905 1941. https://collections.library.yale.edu/catalog/2010622.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 70, folder 3934"])(1905 1941)[45. Bear Grass.]. https://collections.library.yale.edu/catalog/2010622.