Roger Maris breaks home-run record. (2013). The History Channel website. Retrieved 5:19, May 19, 2013, from http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record.
Roger Maris breaks home-run record. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record [Accessed 19 May 2013].
“Roger Maris breaks home-run record.” 2013. The History Channel website. May 19 2013, 5:19 http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record.
“Roger Maris breaks home-run record,” The History Channel website, 2013, http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record [accessed May 19, 2013].
“Roger Maris breaks home-run record,” The History Channel website, http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record (accessed May 19, 2013).
Roger Maris breaks home-run record [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record.
Roger Maris breaks home-run record, http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record (last visited May 19, 2013).
Roger Maris breaks home-run record. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/roger-maris-breaks-home-run-record. Accessed May 19, 2013.