A view of busy Market Street looking southward. This shot may be taken just before the earthquake hit. There is no date on the photo. On April 18, 1906 at 5:15 AM a quake of 8.25 on the Richter scale hit San Francisco. Greater destruction came from the fires afterwards. The city burned for three days. The combination destroyed 490 city blocks and 25,000 buildings, leaving 250,000 homeless and killing between 450 and 700. Estimated damages, over $350 million

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. A view of busy Market Street looking southward. This shot may be taken just before the earthquake hit. There is no date on the photo. On April 18, 1906 at 5:15 AM a quake of 8.25 on the Richter scale hit San Francisco. Greater destruction came from the fires afterwards. The city burned for three days. The combination destroyed 490 city blocks and 25,000 buildings, leaving 250,000 homeless and killing between 450 and 700. Estimated damages, over $350 million. 1906-04-18. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598315. (Accessed September 26, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1906-04-18) A view of busy Market Street looking southward. This shot may be taken just before the earthquake hit. There is no date on the photo. On April 18, 1906 at 5:15 AM a quake of 8.25 on the Richter scale hit San Francisco. Greater destruction came from the fires afterwards. The city burned for three days. The combination destroyed 490 city blocks and 25,000 buildings, leaving 250,000 homeless and killing between 450 and 700. Estimated damages, over $350 million. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6598315
MLA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6598315>.
Note: These citations are programmatically generated and may be incomplete.