[Personal time]

Chicago citation style
President (2001-2009 : Bush). Office of Management and Administration. Office of White House Management. Photography Office. 1/20/2001-1/20/2009. [Personal time]. 2007-12-20. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18546028. (Accessed April 27, 2018.)
APA citation style
President (2001-2009 : Bush). Office of Management and Administration. Office of White House Management. Photography Office. 1/20/2001-1/20/2009, (2007-12-20) [Personal time]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18546028
MLA citation style
President (2001-2009 : Bush). Office of Management and Administration. Office of White House Management. Photography Office. 1/20/2001-1/20/2009. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/18546028>.
Note: These citations are programmatically generated and may be incomplete.