Civil rights demonstrators march single file

Chicago citation style
Koshollek, George P. Civil rights demonstrators march single file. 1968-11-26. Retrieved from the Digital Public Library of America, http://content.mpl.org/cdm/ref/collection/HstoricPho/id/6428. (Accessed February 29, 2020.)
APA citation style
Koshollek, George P, (1968-11-26) Civil rights demonstrators march single file. Retrieved from the Digital Public Library of America, http://content.mpl.org/cdm/ref/collection/HstoricPho/id/6428
MLA citation style
Koshollek, George P. Retrieved from the Digital Public Library of America <http://content.mpl.org/cdm/ref/collection/HstoricPho/id/6428>.
Note: These citations are programmatically generated and may be incomplete.