First American citizen killed during WWI. (2013). The History Channel website. Retrieved 9:03, May 18, 2013, from http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi.
First American citizen killed during WWI. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi [Accessed 18 May 2013].
“First American citizen killed during WWI.” 2013. The History Channel website. May 18 2013, 9:03 http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi.
“First American citizen killed during WWI,” The History Channel website, 2013, http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi [accessed May 18, 2013].
“First American citizen killed during WWI,” The History Channel website, http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi (accessed May 18, 2013).
First American citizen killed during WWI [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi.
First American citizen killed during WWI, http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi (last visited May 18, 2013).
First American citizen killed during WWI. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/first-american-citizen-killed-during-wwi. Accessed May 18, 2013.