Cite
Participants, some carrying American flags, marching in the civil rights march from Selma to Montgomery, Alabama in 1965
MLA
Pettus, Peter. "Participants, some carrying American flags, marching in the civil rights march from Selma to Montgomery, Alabama in 1965." Library of Congress. 1965, http://hdl.loc.gov/loc.pnp/ppmsca.08102.
APA
Pettus, Peter (1965). Participants, some carrying American flags, marching in the civil rights march from Selma to Montgomery, Alabama in 1965. Retrieved from http://hdl.loc.gov/loc.pnp/ppmsca.08102
Chicago
Pettus, Peter. "Participants, some carrying American flags, marching in the civil rights march from Selma to Montgomery, Alabama in 1965." 1965. May 6, 2024. http://hdl.loc.gov/loc.pnp/ppmsca.08102.