Cite

81. Dante and Virgil Approaching the Angel Who Guards the Entrance of Purgatory, from Canto 9 (Butlin 812.78)

MLA

Linnell, John, 1792-1882. 81. Dante and Virgil Approaching the Angel Who Guards the Entrance of Purgatory, from Canto 9 (Butlin 812.78). Box 20 (Oversize). 1831. https://collections.library.yale.edu/catalog/15533090.

APA, 6th edition

Linnell, John, 1792-1882. (["Box 20 (Oversize)"])(1831)[81. Dante and Virgil Approaching the Angel Who Guards the Entrance of Purgatory, from Canto 9 (Butlin 812.78)]. https://collections.library.yale.edu/catalog/15533090.