Cite

F940d. Big Moon and Walter McClintock. Telescope.

MLA

McClintock, Walter, 1870-1949. F940d. Big Moon and Walter McClintock. Telescope.. Box 141, folder 7101. 1909. https://collections.library.yale.edu/catalog/10452794.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 141, folder 7101"])(1909)[F940d. Big Moon and Walter McClintock. Telescope.]. https://collections.library.yale.edu/catalog/10452794.