MLA

Rowlandson, Thomas, 1756-1827. The convenience of two doors. Vol. 1 (Box 1 of 2) | Folder I-25a. [n.d.]. https://collections.library.yale.edu/catalog/11791321.

APA, 6th edition

Rowlandson, Thomas, 1756-1827. (["Vol. 1 (Box 1 of 2) | Folder I-25a"])([n.d.])[The convenience of two doors]. https://collections.library.yale.edu/catalog/11791321.