Nixon calls Cambodian operation a success. (2013). The History Channel website. Retrieved 7:06, May 23, 2013, from http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success.
Nixon calls Cambodian operation a success. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success [Accessed 23 May 2013].
“Nixon calls Cambodian operation a success.” 2013. The History Channel website. May 23 2013, 7:06 http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success.
“Nixon calls Cambodian operation a success,” The History Channel website, 2013, http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success [accessed May 23, 2013].
“Nixon calls Cambodian operation a success,” The History Channel website, http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success (accessed May 23, 2013).
Nixon calls Cambodian operation a success [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success.
Nixon calls Cambodian operation a success, http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success (last visited May 23, 2013).
Nixon calls Cambodian operation a success. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/nixon-calls-cambodian-operation-a-success. Accessed May 23, 2013.