F937c. Big Moon. With Telescope.
MLA
McClintock, Walter, 1870-1949. F937c. Big Moon. With Telescope.. Box 141, folder 7083. 1909. https://collections.library.yale.edu/catalog/10452776.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 141, folder 7083"])(1909)[F937c. Big Moon. With Telescope.]. https://collections.library.yale.edu/catalog/10452776.