Cite

Angelo, Henry

MLA

Angelo, John Cecil Cortlandt, 1869-1957. Angelo, Henry. Box 1, folder 2. undated. https://collections.library.yale.edu/catalog/33592828.

APA, 6th edition

Angelo, John Cecil Cortlandt, 1869-1957. (["Box 1, folder 2"])(undated)[Angelo, Henry]. https://collections.library.yale.edu/catalog/33592828.