Puerto Ricans become U.S. citizens, are recruited for war effort. (2013). The History Channel website. Retrieved 6:32, May 22, 2013, from http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort.
Puerto Ricans become U.S. citizens, are recruited for war effort. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort [Accessed 22 May 2013].
“Puerto Ricans become U.S. citizens, are recruited for war effort.” 2013. The History Channel website. May 22 2013, 6:32 http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort.
“Puerto Ricans become U.S. citizens, are recruited for war effort,” The History Channel website, 2013, http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort [accessed May 22, 2013].
“Puerto Ricans become U.S. citizens, are recruited for war effort,” The History Channel website, http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort (accessed May 22, 2013).
Puerto Ricans become U.S. citizens, are recruited for war effort [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort.
Puerto Ricans become U.S. citizens, are recruited for war effort, http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort (last visited May 22, 2013).
Puerto Ricans become U.S. citizens, are recruited for war effort. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/puerto-ricans-become-us-citizens-are-recruited-for-war-effort. Accessed May 22, 2013.