Fighting in the streets of Petrograd, Russia. (2013). The History Channel website. Retrieved 3:03, May 26, 2013, from http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia.
Fighting in the streets of Petrograd, Russia. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia [Accessed 26 May 2013].
“Fighting in the streets of Petrograd, Russia.” 2013. The History Channel website. May 26 2013, 3:03 http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia.
“Fighting in the streets of Petrograd, Russia,” The History Channel website, 2013, http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia [accessed May 26, 2013].
“Fighting in the streets of Petrograd, Russia,” The History Channel website, http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia (accessed May 26, 2013).
Fighting in the streets of Petrograd, Russia [Internet]. The History Channel website; 2013 [cited 2013 May 26] Available from: http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia.
Fighting in the streets of Petrograd, Russia, http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia (last visited May 26, 2013).
Fighting in the streets of Petrograd, Russia. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/fighting-in-the-streets-of-petrograd-russia. Accessed May 26, 2013.