Cite
Civil rights marchers reacting to tear gas at the foot of the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.
MLA
Martin, Spider. "Civil rights marchers reacting to tear gas at the foot of the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.." Alabama. Department of Archives and History. 1965-03-07, http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/36122.
APA
Martin, Spider (1965-03-07). Civil rights marchers reacting to tear gas at the foot of the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.. Retrieved from http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/36122
Chicago
Martin, Spider. "Civil rights marchers reacting to tear gas at the foot of the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.." 1965-03-07. May 3, 2024. http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/36122.