SF-338. Beaver Pond. Dam and Lodge.
MLA
McClintock, Walter, 1870-1949. SF-338. Beaver Pond. Dam and Lodge.. Box 146, folder 7777. undated. https://collections.library.yale.edu/catalog/10453923.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 146, folder 7777"])(undated)[SF-338. Beaver Pond. Dam and Lodge.]. https://collections.library.yale.edu/catalog/10453923.