Germans begin withdrawal to the Hindenburg Line. (2013). The History Channel website. Retrieved 12:10, May 18, 2013, from http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line.
Germans begin withdrawal to the Hindenburg Line. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line [Accessed 18 May 2013].
“Germans begin withdrawal to the Hindenburg Line.” 2013. The History Channel website. May 18 2013, 12:10 http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line.
“Germans begin withdrawal to the Hindenburg Line,” The History Channel website, 2013, http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line [accessed May 18, 2013].
“Germans begin withdrawal to the Hindenburg Line,” The History Channel website, http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line (accessed May 18, 2013).
Germans begin withdrawal to the Hindenburg Line [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line.
Germans begin withdrawal to the Hindenburg Line, http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line (last visited May 18, 2013).
Germans begin withdrawal to the Hindenburg Line. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/germans-begin-withdrawal-to-the-hindenburg-line. Accessed May 18, 2013.