MLA

Rowlandson, Thomas, 1756-1827. The State Watchman discover'd by the Genius of Britain studying plans for the reduction of America. Vol. 1 (Box 1 of 2) | Folder I-15. 1781 December 10. https://collections.library.yale.edu/catalog/11791310.

APA, 6th edition

Rowlandson, Thomas, 1756-1827. (["Vol. 1 (Box 1 of 2) | Folder I-15"])(1781 December 10)[The State Watchman discover'd by the Genius of Britain studying plans for the reduction of America]. https://collections.library.yale.edu/catalog/11791310.