McGovern begins his presidential campaign. (2013). The History Channel website. Retrieved 2:34, June 19, 2013, from http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign.
McGovern begins his presidential campaign. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign [Accessed 19 Jun 2013].
“McGovern begins his presidential campaign.” 2013. The History Channel website. Jun 19 2013, 2:34 http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign.
“McGovern begins his presidential campaign,” The History Channel website, 2013, http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign [accessed Jun 19, 2013].
“McGovern begins his presidential campaign,” The History Channel website, http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign (accessed Jun 19, 2013).
McGovern begins his presidential campaign [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign.
McGovern begins his presidential campaign, http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign (last visited Jun 19, 2013).
McGovern begins his presidential campaign. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/mcgovern-begins-his-presidential-campaign. Accessed Jun 19, 2013.