G789. Clouds Rising After Blizzard. Twin Peaks.
MLA
McClintock, Walter, 1870-1949. G789. Clouds Rising After Blizzard. Twin Peaks.. Box 108, folder 5054. 1906 Fall. https://collections.library.yale.edu/catalog/10450815.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 108, folder 5054"])(1906 Fall)[G789. Clouds Rising After Blizzard. Twin Peaks.]. https://collections.library.yale.edu/catalog/10450815.