San Francisco Earthquake of 1906: This is the east side of Fifth Street between Market and Mission. The building in the extreme left of the picture is the old Lincoln Grammar School on Fifth Street. The very tall building with the flagstaff is the Flood Building. The ruins of the long building in the extreme right are of the Emporium Department Store on Market Street

Chicago citation style
Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. ca. 1974-5/15/1984. San Francisco Earthquake of 1906: This is the east side of Fifth Street between Market and Mission. The building in the extreme left of the picture is the old Lincoln Grammar School on Fifth Street. The very tall building with the flagstaff is the Flood Building. The ruins of the long building in the extreme right are of the Emporium Department Store on Market Street. 1906. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/531047. (Accessed October 15, 2018.)
APA citation style
Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. ca. 1974-5/15/1984, (1906) San Francisco Earthquake of 1906: This is the east side of Fifth Street between Market and Mission. The building in the extreme left of the picture is the old Lincoln Grammar School on Fifth Street. The very tall building with the flagstaff is the Flood Building. The ruins of the long building in the extreme right are of the Emporium Department Store on Market Street. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/531047
MLA citation style
Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. ca. 1974-5/15/1984. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/531047>.
Note: These citations are programmatically generated and may be incomplete.