MLA

McClintock, Walter, 1870-1949. White Antelope. Box 3, folder 144. 1905 January 15. https://collections.library.yale.edu/catalog/16701792.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 3, folder 144"])(1905 January 15)[White Antelope]. https://collections.library.yale.edu/catalog/16701792.