Plessy v. Ferguson. (2013). The History Channel website. Retrieved 2:07, May 22, 2013, from http://www.history.com/topics/plessy-v-ferguson.
Plessy v. Ferguson. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/plessy-v-ferguson [Accessed 22 May 2013].
“Plessy v. Ferguson.” 2013. The History Channel website. May 22 2013, 2:07 http://www.history.com/topics/plessy-v-ferguson.
“Plessy v. Ferguson,” The History Channel website, 2013, http://www.history.com/topics/plessy-v-ferguson [accessed May 22, 2013].
“Plessy v. Ferguson,” The History Channel website, http://www.history.com/topics/plessy-v-ferguson (accessed May 22, 2013).
Plessy v. Ferguson [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/topics/plessy-v-ferguson.
Plessy v. Ferguson, http://www.history.com/topics/plessy-v-ferguson (last visited May 22, 2013).
Plessy v. Ferguson. The History Channel website. 2013. Available at: http://www.history.com/topics/plessy-v-ferguson. Accessed May 22, 2013.