President Ronald Reagan and Nancy Reagan at an Inaugural Ball at the National Air and Space Museum in Washington, DC

Chicago citation style
President (1981-1989 : Reagan). White House Photographic Office. 1981-1989. President Ronald Reagan and Nancy Reagan at an Inaugural Ball at the National Air and Space Museum in Washington, DC. 1985-01-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6995942. (Accessed July 21, 2018.)
APA citation style
President (1981-1989 : Reagan). White House Photographic Office. 1981-1989, (1985-01-21) President Ronald Reagan and Nancy Reagan at an Inaugural Ball at the National Air and Space Museum in Washington, DC. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6995942
MLA citation style
President (1981-1989 : Reagan). White House Photographic Office. 1981-1989. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6995942>.
Note: These citations are programmatically generated and may be incomplete.