Voyager I flies near Saturn. (2013). The History Channel website. Retrieved 12:33, May 22, 2013, from http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn.
Voyager I flies near Saturn. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn [Accessed 22 May 2013].
“Voyager I flies near Saturn.” 2013. The History Channel website. May 22 2013, 12:33 http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn.
“Voyager I flies near Saturn,” The History Channel website, 2013, http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn [accessed May 22, 2013].
“Voyager I flies near Saturn,” The History Channel website, http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn (accessed May 22, 2013).
Voyager I flies near Saturn [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn.
Voyager I flies near Saturn, http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn (last visited May 22, 2013).
Voyager I flies near Saturn. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/voyager-i-flies-near-saturn. Accessed May 22, 2013.