Cite

The Sleeping baron / The baron Manchusen working up his sketches

MLA

The Sleeping Baron / The Baron Manchusen Working up His Sketches. 0AD. https://collections.library.yale.edu/catalog/2020083.

APA, 6th edition

The Sleeping baron / The baron Manchusen working up his sketches. (0 C.E.). [Drawings, Illustrations, Sketches]. https://collections.library.yale.edu/catalog/2020083.