MLA

Van Vechten, Carl, 1880-1964. Bhattacharya, Annada Charan, and Rajendra Shankar. Box 336, folder 4242. 1933 January 6. https://collections.library.yale.edu/catalog/2030827.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 336, folder 4242"])(1933 January 6)[Bhattacharya, Annada Charan, and Rajendra Shankar]. https://collections.library.yale.edu/catalog/2030827.