SF-130. Mountain Flowers.
MLA
McClintock, Walter, 1870-1949. SF-130. Mountain Flowers.. Box 145, folder 7570. undated. https://collections.library.yale.edu/catalog/10453715.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 145, folder 7570"])(undated)[SF-130. Mountain Flowers.]. https://collections.library.yale.edu/catalog/10453715.