APA (7th ed.) Citation

United States. White House Office & Obama, B. (2009). Presidential press conference, April 29, 2009. White House.

Chicago Style (17th ed.) Citation

United States. White House Office and Barack Obama. Presidential Press Conference, April 29, 2009. Washington DC: White House, 2009.

MLA (9th ed.) Citation

United States. White House Office and Barack Obama. Presidential Press Conference, April 29, 2009. White House, 2009.

Warning: These citations may not always be 100% accurate.