MLA

Denham, John Charles, -1867. Lawrence, Thomas: "The Dream of Antigonus" [Antigone], from A Winter's Tale, graphite. Box 1, folder 20. circa 1795. https://collections.library.yale.edu/catalog/2067113.

APA, 6th edition

Denham, John Charles, -1867. (["Box 1, folder 20"])(circa 1795)[Lawrence, Thomas: "The Dream of Antigonus" [Antigone], from A Winter's Tale, graphite]. https://collections.library.yale.edu/catalog/2067113.