J. Worrenburg. The Swiss dwarf. [graphic]
MLA
J. Worrenburg. The Swiss Dwarf. [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/17338603.
APA, 6th edition
J. Worrenburg. The Swiss dwarf. [graphic]. (0 C.E.). [Portraits prints, Aquatints]. publisher not identified. https://collections.library.yale.edu/catalog/17338603.