MLA

Rowlandson, Thomas, 1756-1827. The convenience of two doors. Vol. 1 (Box 1 of 2) | Folder I-25b. [1783?]. https://collections.library.yale.edu/catalog/11791322.

APA, 6th edition

Rowlandson, Thomas, 1756-1827. (["Vol. 1 (Box 1 of 2) | Folder I-25b"])([1783?])[The convenience of two doors]. https://collections.library.yale.edu/catalog/11791322.