MLA

Lindbergh, Anne Morrow, 1906-2001. Chase, Mary Ellen. Box 5, folder 86. 1928-1962. https://collections.library.yale.edu/catalog/10016073.

APA, 6th edition

Lindbergh, Anne Morrow, 1906-2001. (["Box 5, folder 86"])(1928-1962)[Chase, Mary Ellen]. https://collections.library.yale.edu/catalog/10016073.