Cite

The living heteradelph, or duplex boy. [graphic]

MLA

The Living Heteradelph, or Duplex Boy. [Graphic]. publisher not identified, 0AD. https://collections.library.yale.edu/catalog/17338504.

APA, 6th edition

The living heteradelph, or duplex boy. [graphic]. (0 C.E.). [Lithographs]. publisher not identified. https://collections.library.yale.edu/catalog/17338504.