Cite

Apparatus for separating gold, and other precious metals. Invented by Edward N. Kent, meter and refiner in the United States Assay Office, New-York

MLA

Apparatus for Separating Gold, and Other Precious Metals. Invented by Edward N. Kent, Meter and Refiner in the United States Assay Office, New-York. 0AD. https://collections.library.yale.edu/catalog/2015920.

APA, 6th edition

Apparatus for separating gold, and other precious metals. Invented by Edward N. Kent, meter and refiner in the United States Assay Office, New-York. (0 C.E.). [Lithographs, Planographic prints]. https://collections.library.yale.edu/catalog/2015920.