MLA

McClintock, Walter, 1870-1949. F1210. Wild Onion.. Box 143, folder 7283. 1912. https://collections.library.yale.edu/catalog/10452979.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 143, folder 7283"])(1912)[F1210. Wild Onion.]. https://collections.library.yale.edu/catalog/10452979.