Auto safety crusader Ralph Nader testifies before Congress. (2013). The History Channel website. Retrieved 9:43, May 22, 2013, from http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress.
Auto safety crusader Ralph Nader testifies before Congress. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress [Accessed 22 May 2013].
“Auto safety crusader Ralph Nader testifies before Congress.” 2013. The History Channel website. May 22 2013, 9:43 http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress.
“Auto safety crusader Ralph Nader testifies before Congress,” The History Channel website, 2013, http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress [accessed May 22, 2013].
“Auto safety crusader Ralph Nader testifies before Congress,” The History Channel website, http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress (accessed May 22, 2013).
Auto safety crusader Ralph Nader testifies before Congress [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress.
Auto safety crusader Ralph Nader testifies before Congress, http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress (last visited May 22, 2013).
Auto safety crusader Ralph Nader testifies before Congress. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/auto-safety-crusader-ralph-nader-testifies-before-congress. Accessed May 22, 2013.