The Death of Archduke Franz Ferdinand and the Outbreak of World War I. (2013). The History Channel website. Retrieved 7:09, May 23, 2013, from http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i.
The Death of Archduke Franz Ferdinand and the Outbreak of World War I. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i [Accessed 23 May 2013].
“The Death of Archduke Franz Ferdinand and the Outbreak of World War I.” 2013. The History Channel website. May 23 2013, 7:09 http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i.
“The Death of Archduke Franz Ferdinand and the Outbreak of World War I,” The History Channel website, 2013, http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i [accessed May 23, 2013].
“The Death of Archduke Franz Ferdinand and the Outbreak of World War I,” The History Channel website, http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i (accessed May 23, 2013).
The Death of Archduke Franz Ferdinand and the Outbreak of World War I [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i.
The Death of Archduke Franz Ferdinand and the Outbreak of World War I, http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i (last visited May 23, 2013).
The Death of Archduke Franz Ferdinand and the Outbreak of World War I. The History Channel website. 2013. Available at: http://www.history.com/topics/the-death-of-archduke-franz-ferdinand-and-the-outbreak-of--world-war-i. Accessed May 23, 2013.