G590. Maggie Wetzel and her Daughter, Pearl Wetzel (Later Hagerty).
MLA
McClintock, Walter, 1870-1949. G590. Maggie Wetzel and her Daughter, Pearl Wetzel (Later Hagerty).. Box 105, folder 4904. 1905 Summer. https://collections.library.yale.edu/catalog/10450655.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 105, folder 4904"])(1905 Summer)[G590. Maggie Wetzel and her Daughter, Pearl Wetzel (Later Hagerty).]. https://collections.library.yale.edu/catalog/10450655.