Immigration: A Timeline (2001 - 2008) [1]

Chicago citation style
President (2001-2009 : Bush). Office of the Staff Secretary. 1/20/2001-1/20/2009. Immigration: A Timeline (2001 - 2008) [1]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27047106. (Accessed August 21, 2018.)
APA citation style
President (2001-2009 : Bush). Office of the Staff Secretary. 1/20/2001-1/20/2009, Immigration: A Timeline (2001 - 2008) [1]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/27047106
MLA citation style
President (2001-2009 : Bush). Office of the Staff Secretary. 1/20/2001-1/20/2009. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/27047106>.
Note: These citations are programmatically generated and may be incomplete.