Lewis and Clark depart Fort Clatsop. (2013). The History Channel website. Retrieved 10:21, May 19, 2013, from http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop.
Lewis and Clark depart Fort Clatsop. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop [Accessed 19 May 2013].
“Lewis and Clark depart Fort Clatsop.” 2013. The History Channel website. May 19 2013, 10:21 http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop.
“Lewis and Clark depart Fort Clatsop,” The History Channel website, 2013, http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop [accessed May 19, 2013].
“Lewis and Clark depart Fort Clatsop,” The History Channel website, http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop (accessed May 19, 2013).
Lewis and Clark depart Fort Clatsop [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop.
Lewis and Clark depart Fort Clatsop, http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop (last visited May 19, 2013).
Lewis and Clark depart Fort Clatsop. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/lewis-and-clark-depart-fort-clatsop. Accessed May 19, 2013.