F991c. McDonald Lake. Outlet.
MLA
McClintock, Walter, 1870-1949. F991c. McDonald Lake. Outlet.. Box 142, folder 7256. 1909. https://collections.library.yale.edu/catalog/10452949.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 142, folder 7256"])(1909)[F991c. McDonald Lake. Outlet.]. https://collections.library.yale.edu/catalog/10452949.