John Denver has his first . (2013). The History Channel website. Retrieved 3:11, May 22, 2013, from http://www.history.com/.
John Denver has his first . [Internet]. 2013. The History Channel website. Available from: http://www.history.com/ [Accessed 22 May 2013].
“John Denver has his first .” 2013. The History Channel website. May 22 2013, 3:11 http://www.history.com/.
“John Denver has his first ,” The History Channel website, 2013, http://www.history.com/ [accessed May 22, 2013].
“John Denver has his first ,” The History Channel website, http://www.history.com/ (accessed May 22, 2013).
John Denver has his first [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/.
John Denver has his first , http://www.history.com/ (last visited May 22, 2013).
John Denver has his first . The History Channel website. 2013. Available at: http://www.history.com/. Accessed May 22, 2013.