[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]. 2008-08-25. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18557370. (Accessed May 24, 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, (2008-08-25) [Personal time]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/18557370
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/18557370>.
Note: These citations are programmatically generated and may be incomplete.