Congress creates Yosemite National Park. (2013). The History Channel website. Retrieved 4:49, June 18, 2013, from http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park.
Congress creates Yosemite National Park. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park [Accessed 18 Jun 2013].
“Congress creates Yosemite National Park.” 2013. The History Channel website. Jun 18 2013, 4:49 http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park.
“Congress creates Yosemite National Park,” The History Channel website, 2013, http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park [accessed Jun 18, 2013].
“Congress creates Yosemite National Park,” The History Channel website, http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park (accessed Jun 18, 2013).
Congress creates Yosemite National Park [Internet]. The History Channel website; 2013 [cited 2013 Jun 18] Available from: http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park.
Congress creates Yosemite National Park, http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park (last visited Jun 18, 2013).
Congress creates Yosemite National Park. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/congress-creates-yosemite-national-park. Accessed Jun 18, 2013.