MLA

Stiles, Ezra, 1727-1795. Disbound volume cover. Box 49, folder 2075-2076. 1763-[circa 1791]. https://collections.library.yale.edu/catalog/9998581.

APA, 6th edition

Stiles, Ezra, 1727-1795. (["Box 49, folder 2075-2076"])(1763-[circa 1791])[Disbound volume cover]. https://collections.library.yale.edu/catalog/9998581.