SF-292. Beaver Pond and Dam. Construction. Shape.
MLA
McClintock, Walter, 1870-1949. SF-292. Beaver Pond and Dam. Construction. Shape.. Box 146, folder 7732. undated. https://collections.library.yale.edu/catalog/10453877.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 146, folder 7732"])(undated)[SF-292. Beaver Pond and Dam. Construction. Shape.]. https://collections.library.yale.edu/catalog/10453877.