House Committee proposes amendment to protect slavery. (2013). The History Channel website. Retrieved 7:58, May 25, 2013, from http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment.
House Committee proposes amendment to protect slavery. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment [Accessed 25 May 2013].
“House Committee proposes amendment to protect slavery.” 2013. The History Channel website. May 25 2013, 7:58 http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment.
“House Committee proposes amendment to protect slavery,” The History Channel website, 2013, http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment [accessed May 25, 2013].
“House Committee proposes amendment to protect slavery,” The History Channel website, http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment (accessed May 25, 2013).
House Committee proposes amendment to protect slavery [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment.
House Committee proposes amendment to protect slavery, http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment (last visited May 25, 2013).
House Committee proposes amendment to protect slavery. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/house-committee-of-thirty-three-submits-proposed-amendment. Accessed May 25, 2013.