Senate hears impeachment charges against Andrew Johnson. (2013). The History Channel website. Retrieved 2:11, May 23, 2013, from http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson.
Senate hears impeachment charges against Andrew Johnson. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson [Accessed 23 May 2013].
“Senate hears impeachment charges against Andrew Johnson.” 2013. The History Channel website. May 23 2013, 2:11 http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson.
“Senate hears impeachment charges against Andrew Johnson,” The History Channel website, 2013, http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson [accessed May 23, 2013].
“Senate hears impeachment charges against Andrew Johnson,” The History Channel website, http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson (accessed May 23, 2013).
Senate hears impeachment charges against Andrew Johnson [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson.
Senate hears impeachment charges against Andrew Johnson, http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson (last visited May 23, 2013).
Senate hears impeachment charges against Andrew Johnson. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/senate-hears-impeachment-charges-against-andrew-johnson. Accessed May 23, 2013.