Correspondence
MLA
Henri, Robert, 1865-1929. Correspondence. Box 1, folder 22. 1917 Aug. https://collections.library.yale.edu/catalog/11484112.
APA, 6th edition
Henri, Robert, 1865-1929. (["Box 1, folder 22"])(1917 Aug)[Correspondence]. https://collections.library.yale.edu/catalog/11484112.