Cite

[Diagrams of two different paddle-wheel ships]

MLA

Chapuy, Nicolas-Marie-Joseph, 1790-1858?, Langlume, fl. 1822-1825?, Langlume?. [Diagrams of two different paddle-wheel ships]. Undated. https://collections.library.yale.edu/catalog/2057081.

APA, 6th edition

Chapuy, Nicolas-Marie-Joseph, 1790-1858?, & Langlume, fl. 1822-1825?, & Langlume?. (Undated)[[Diagrams of two different paddle-wheel ships]]. https://collections.library.yale.edu/catalog/2057081.