MLA

Linnell, John, 1792-1882. 6. Charon and the Condemned Souls, from Canto 3 (Butlin 812.5). Box 2 (Oversize). 1831. https://collections.library.yale.edu/catalog/15533018.

APA, 6th edition

Linnell, John, 1792-1882. (["Box 2 (Oversize)"])(1831)[6. Charon and the Condemned Souls, from Canto 3 (Butlin 812.5)]. https://collections.library.yale.edu/catalog/15533018.