MLA

G. Thompson, del., et al. U.S. Geographical Surveys West of the 100th Meridian. Vol. II. Astronomy. Plate No. 3. Apparatus for Determining Absolute Personal Equation. 1873. https://collections.library.yale.edu/catalog/2015874.

APA, 6th edition

G. Thompson, del., The Graphic Co., N. Y., & York, N. (1873). U.S. Geographical surveys west of the 100th meridian. Vol. II. Astronomy. Plate No. 3. Apparatus for determining absolute personal equation [Lithographs, Planographic prints]. https://collections.library.yale.edu/catalog/2015874.