Obama, B. (2013). [U.S. President Barack Obama speaks to reporters about bomb explosions that detonated near the finish line of the Boston Marathon earlier in the day]. Whitehouse.gov.
Chicago Style (17th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks to Reporters About Bomb Explosions That Detonated Near the Finish Line of the Boston Marathon Earlier in the Day]. [Washington, D.C.]: Whitehouse.gov, 2013.
MLA (8th ed.) CitationObama, Barack. [U.S. President Barack Obama Speaks to Reporters About Bomb Explosions That Detonated Near the Finish Line of the Boston Marathon Earlier in the Day]. Whitehouse.gov, 2013.
Warning: These citations may not always be 100% accurate.