MLA

Stiles, Ezra, 1727-1795. Map of locations of colleges in New Jersey, Pennsylvania, Maryland, and Virginia (MVP #948). Box 87 (Oversize), folder 3204. [1788]. https://collections.library.yale.edu/catalog/32382745.

APA, 6th edition

Stiles, Ezra, 1727-1795. (["Box 87 (Oversize), folder 3204"])([1788])[Map of locations of colleges in New Jersey, Pennsylvania, Maryland, and Virginia (MVP #948)]. https://collections.library.yale.edu/catalog/32382745.