MLA

Rowlandson, Thomas, 1756-1827, printmaker. Hengar near Camelford, Cornwall [graphic] / Rowlandson del.. Vol. 1 (Box 1 of 2) | Folder I-27b. [n.d.]. https://collections.library.yale.edu/catalog/11791325.

APA, 6th edition

Rowlandson, Thomas, 1756-1827, printmaker. (["Vol. 1 (Box 1 of 2) | Folder I-27b"])([n.d.])[Hengar near Camelford, Cornwall [graphic] / Rowlandson del.]. https://collections.library.yale.edu/catalog/11791325.