Oil tankers collide in Caribbean Sea. (2013). The History Channel website. Retrieved 3:05, June 19, 2013, from http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea.
Oil tankers collide in Caribbean Sea. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea [Accessed 19 Jun 2013].
“Oil tankers collide in Caribbean Sea.” 2013. The History Channel website. Jun 19 2013, 3:05 http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea.
“Oil tankers collide in Caribbean Sea,” The History Channel website, 2013, http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea [accessed Jun 19, 2013].
“Oil tankers collide in Caribbean Sea,” The History Channel website, http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea (accessed Jun 19, 2013).
Oil tankers collide in Caribbean Sea [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea.
Oil tankers collide in Caribbean Sea, http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea (last visited Jun 19, 2013).
Oil tankers collide in Caribbean Sea. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/oil-tankers-collide-in-caribbean-sea. Accessed Jun 19, 2013.