The shot heard round the world. (2013). The History Channel website. Retrieved 2:41, May 18, 2013, from http://www.history.com/this-day-in-history/the-shot-heard-round-the-world.
The shot heard round the world. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/the-shot-heard-round-the-world [Accessed 18 May 2013].
“The shot heard round the world.” 2013. The History Channel website. May 18 2013, 2:41 http://www.history.com/this-day-in-history/the-shot-heard-round-the-world.
“The shot heard round the world,” The History Channel website, 2013, http://www.history.com/this-day-in-history/the-shot-heard-round-the-world [accessed May 18, 2013].
“The shot heard round the world,” The History Channel website, http://www.history.com/this-day-in-history/the-shot-heard-round-the-world (accessed May 18, 2013).
The shot heard round the world [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/the-shot-heard-round-the-world.
The shot heard round the world, http://www.history.com/this-day-in-history/the-shot-heard-round-the-world (last visited May 18, 2013).
The shot heard round the world. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/the-shot-heard-round-the-world. Accessed May 18, 2013.