MLA

Ives, Charles, 1874-1954. Twichell - Stiles. Box 33, folder 5. 1874-1983 (inclusive). https://collections.library.yale.edu/catalog/32391753.

APA, 6th edition

Ives, Charles, 1874-1954. (["Box 33, folder 5"])(1874-1983 (inclusive))[Twichell - Stiles]. https://collections.library.yale.edu/catalog/32391753.