F990. Head of Basin.
MLA
McClintock, Walter, 1870-1949. F990. Head of Basin.. Box 142, folder 7252. 1909. https://collections.library.yale.edu/catalog/10452945.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 142, folder 7252"])(1909)[F990. Head of Basin.]. https://collections.library.yale.edu/catalog/10452945.