Cite
Law enforcement officers waiting for civil rights marchers to cross the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.
MLA
Lankford, Tom. "Law enforcement officers waiting for civil rights marchers to cross 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/59551.
APA
Lankford, Tom (1965-03-07). Law enforcement officers waiting for civil rights marchers to cross the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.. Retrieved from http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/59551
Chicago
Lankford, Tom. "Law enforcement officers waiting for civil rights marchers to cross the Edmund Pettus Bridge in Selma, Alabama, on Bloody Sunday.." 1965-03-07. May 5, 2024. http://digital.archives.alabama.gov/cdm/ref/collection/amg/id/59551.