MLA

Schetky, John Christian, 1778-1874, Scott, Walter, Sir, 1771-183. Melrose Abbey. 1808. https://collections.library.yale.edu/catalog/2017745.

APA, 6th edition

Schetky, John Christian, 1778-1874, & Scott, Walter, Sir, 1771-183. (1808)[Melrose Abbey]. https://collections.library.yale.edu/catalog/2017745.