Emmitsburg, Md. , Sep. 11, 2012 -- A memorial service in progress at the National Fire Academy for the firefighters fallen during the attacks of 9/11/01. This service, the eleventh since the day that took 343 firefighters' lives, included a wreath laying and a traditional five bell salute. Photo by Mike Moore/FEMA

Chicago citation style
Department of Homeland Security. Federal Emergency Management Agency. Public Affairs Division. 3/1/2003-. Emmitsburg, Md. , Sep. 11, 2012 -- A memorial service in progress at the National Fire Academy for the firefighters fallen during the attacks of 9/11/01. This service, the eleventh since the day that took 343 firefighters' lives, included a wreath laying and a traditional five bell salute. Photo by Mike Moore/FEMA. 2012-09-11. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7861193. (Accessed April 26, 2018.)
APA citation style
Department of Homeland Security. Federal Emergency Management Agency. Public Affairs Division. 3/1/2003-, (2012-09-11) Emmitsburg, Md. , Sep. 11, 2012 -- A memorial service in progress at the National Fire Academy for the firefighters fallen during the attacks of 9/11/01. This service, the eleventh since the day that took 343 firefighters' lives, included a wreath laying and a traditional five bell salute. Photo by Mike Moore/FEMA. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7861193
MLA citation style
Department of Homeland Security. Federal Emergency Management Agency. Public Affairs Division. 3/1/2003-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7861193>.
Note: These citations are programmatically generated and may be incomplete.