Obama, B. (2013). [U.S. President Barack Obama speaks on the death of Nelson Mandela]. Whitehouse.gov.
Chicago Style (17th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks on the Death of Nelson Mandela]. [Washington, D.C.]: Whitehouse.gov, 2013.
MLA (8th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks on the Death of Nelson Mandela]. Whitehouse.gov, 2013.
Warning: These citations may not always be 100% accurate.