Cite

Douglas & Stanton Hospitals, Washington, D.C. [graphic]

MLA

Magnus, Charles, and printmaker. Douglas & Stanton Hospitals, Washington, D.C. [Graphic]. Published by Chas. Magnus 12 Frankfort St. New York & 520, Seventh St. Washington, D.C., 1864. https://collections.library.yale.edu/catalog/17339439.

APA, 6th edition

Magnus, C., & printmaker. (1864). Douglas & Stanton Hospitals, Washington, D.C. [graphic] [Chromolithographs]. Published by Chas. Magnus 12 Frankfort St. New York & 520, Seventh St. Washington, D.C. https://collections.library.yale.edu/catalog/17339439.