Lost City of the Incas. (2013). The History Channel website. Retrieved 5:10, May 23, 2013, from http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas.
Lost City of the Incas. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas [Accessed 23 May 2013].
“Lost City of the Incas.” 2013. The History Channel website. May 23 2013, 5:10 http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas.
“Lost City of the Incas,” The History Channel website, 2013, http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas [accessed May 23, 2013].
“Lost City of the Incas,” The History Channel website, http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas (accessed May 23, 2013).
Lost City of the Incas [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas.
Lost City of the Incas, http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas (last visited May 23, 2013).
Lost City of the Incas. The History Channel website. 2013. Available at: http://www.history.com/videos/wonders-of-latin-america-lost-city-of-the-incas. Accessed May 23, 2013.