Cite
Marchers crossing the Edmund Pettus bridge in Selma, Alabama, on the first day of the Selma to Montgomery March.
MLA
Hopper, Jack. "Marchers crossing the Edmund Pettus bridge in Selma, Alabama, on the first day of the Selma to Montgomery March.." Alabama. Department of Archives and History. 1965-03-21, http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/40664.
APA
Hopper, Jack (1965-03-21). Marchers crossing the Edmund Pettus bridge in Selma, Alabama, on the first day of the Selma to Montgomery March.. Retrieved from http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/40664
Chicago
Hopper, Jack. "Marchers crossing the Edmund Pettus bridge in Selma, Alabama, on the first day of the Selma to Montgomery March.." 1965-03-21. May 4, 2024. http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/40664.