Cite

SF-203. Bear Grass.

MLA

McClintock, Walter, 1870-1949. SF-203. Bear Grass.. Box 146, folder 7643. undated. https://collections.library.yale.edu/catalog/10453788.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 146, folder 7643"])(undated)[SF-203. Bear Grass.]. https://collections.library.yale.edu/catalog/10453788.