MLA

Aubert, and Cie. Apparition De Serpent De Mer En 1848. 1848. https://collections.library.yale.edu/catalog/2013971.

APA, 6th edition

A., & C. (1848). Apparition de serpent de mer en 1848 [Cartoons (Humorous images), Drawings, Illustrations, Lithographs]. https://collections.library.yale.edu/catalog/2013971.