Cite

SF-198. Bear Grass.

MLA

McClintock, Walter, 1870-1949. SF-198. Bear Grass.. Box 146, folder 7638. undated. https://collections.library.yale.edu/catalog/10453783.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 146, folder 7638"])(undated)[SF-198. Bear Grass.]. https://collections.library.yale.edu/catalog/10453783.