February Revolution begins in Russia. (2013). The History Channel website. Retrieved 5:30, June 20, 2013, from http://www.history.com/this-day-in-history/february-revolution-begins-in-russia.
February Revolution begins in Russia. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/february-revolution-begins-in-russia [Accessed 20 Jun 2013].
“February Revolution begins in Russia.” 2013. The History Channel website. Jun 20 2013, 5:30 http://www.history.com/this-day-in-history/february-revolution-begins-in-russia.
“February Revolution begins in Russia,” The History Channel website, 2013, http://www.history.com/this-day-in-history/february-revolution-begins-in-russia [accessed Jun 20, 2013].
“February Revolution begins in Russia,” The History Channel website, http://www.history.com/this-day-in-history/february-revolution-begins-in-russia (accessed Jun 20, 2013).
February Revolution begins in Russia [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/february-revolution-begins-in-russia.
February Revolution begins in Russia, http://www.history.com/this-day-in-history/february-revolution-begins-in-russia (last visited Jun 20, 2013).
February Revolution begins in Russia. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/february-revolution-begins-in-russia. Accessed Jun 20, 2013.