Spanish king ratifies democratic constitution. (2013). The History Channel website. Retrieved 8:16, May 18, 2013, from http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution.
Spanish king ratifies democratic constitution. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution [Accessed 18 May 2013].
“Spanish king ratifies democratic constitution.” 2013. The History Channel website. May 18 2013, 8:16 http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution.
“Spanish king ratifies democratic constitution,” The History Channel website, 2013, http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution [accessed May 18, 2013].
“Spanish king ratifies democratic constitution,” The History Channel website, http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution (accessed May 18, 2013).
Spanish king ratifies democratic constitution [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution.
Spanish king ratifies democratic constitution, http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution (last visited May 18, 2013).
Spanish king ratifies democratic constitution. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/spanish-king-ratifies-democratic-constitution. Accessed May 18, 2013.