Lights go on at Wrigley. (2013). The History Channel website. Retrieved 5:24, May 23, 2013, from http://www.history.com/this-day-in-history/lights-go-on-at-wrigley.
Lights go on at Wrigley. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/lights-go-on-at-wrigley [Accessed 23 May 2013].
“Lights go on at Wrigley.” 2013. The History Channel website. May 23 2013, 5:24 http://www.history.com/this-day-in-history/lights-go-on-at-wrigley.
“Lights go on at Wrigley,” The History Channel website, 2013, http://www.history.com/this-day-in-history/lights-go-on-at-wrigley [accessed May 23, 2013].
“Lights go on at Wrigley,” The History Channel website, http://www.history.com/this-day-in-history/lights-go-on-at-wrigley (accessed May 23, 2013).
Lights go on at Wrigley [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/lights-go-on-at-wrigley.
Lights go on at Wrigley, http://www.history.com/this-day-in-history/lights-go-on-at-wrigley (last visited May 23, 2013).
Lights go on at Wrigley. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/lights-go-on-at-wrigley. Accessed May 23, 2013.