Henry Knoll headshot in American Legion uniform

Chicago citation style
Henry Knoll headshot in American Legion uniform. 1941-09-16. Retrieved from the Digital Public Library of America, http://content.mpl.org/cdm/ref/collection/HstoricPho/id/1887. (Accessed November 18, 2019.)
APA citation style
(1941-09-16) Henry Knoll headshot in American Legion uniform. Retrieved from the Digital Public Library of America, http://content.mpl.org/cdm/ref/collection/HstoricPho/id/1887
MLA citation style
Retrieved from the Digital Public Library of America <http://content.mpl.org/cdm/ref/collection/HstoricPho/id/1887>.
Note: These citations are programmatically generated and may be incomplete.