Iron Lung. L-R: unknown, unknown, Carter Bowser, Clarence Soest, Edward Feller, 6 unknowns, George Hood, Martin Luepke. No Date

Chicago citation style
Iron Lung. L-R: unknown, unknown, Carter Bowser, Clarence Soest, Edward Feller, 6 unknowns, George Hood, Martin Luepke. No Date. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3284. (Accessed July 20, 2018.)
APA citation style
Iron Lung. L-R: unknown, unknown, Carter Bowser, Clarence Soest, Edward Feller, 6 unknowns, George Hood, Martin Luepke. No Date. Retrieved from the Digital Public Library of America, http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3284
MLA citation style
Retrieved from the Digital Public Library of America <http://contentdm.acpl.lib.in.us/cdm/ref/collection/coll3/id/3284>.
Note: These citations are programmatically generated and may be incomplete.