MLA

Linnell, John, 1792-1882. 37. The Necromancers and Augurs, from Canto 20 (Butlin 812.36). Box 9 (Oversize). 1831. https://collections.library.yale.edu/catalog/15533047.

APA, 6th edition

Linnell, John, 1792-1882. (["Box 9 (Oversize)"])(1831)[37. The Necromancers and Augurs, from Canto 20 (Butlin 812.36)]. https://collections.library.yale.edu/catalog/15533047.