British spy executed in Arnold affair. (2013). The History Channel website. Retrieved 3:45, May 22, 2013, from http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair.
British spy executed in Arnold affair. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair [Accessed 22 May 2013].
“British spy executed in Arnold affair.” 2013. The History Channel website. May 22 2013, 3:45 http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair.
“British spy executed in Arnold affair,” The History Channel website, 2013, http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair [accessed May 22, 2013].
“British spy executed in Arnold affair,” The History Channel website, http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair (accessed May 22, 2013).
British spy executed in Arnold affair [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair.
British spy executed in Arnold affair, http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair (last visited May 22, 2013).
British spy executed in Arnold affair. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/british-spy-executed-in-arnold-affair. Accessed May 22, 2013.