Obama, B. (2011). [U.S. President Barack Obama speaks at the 50th anniversary of John F. Kennedy's inauguration]. Whitehouse.gov.
Chicago Style (17th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks at the 50th Anniversary of John F. Kennedy's Inauguration]. [Washington, D.C.]: Whitehouse.gov, 2011.
MLA (9th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks at the 50th Anniversary of John F. Kennedy's Inauguration]. Whitehouse.gov, 2011.
Warning: These citations may not always be 100% accurate.