Natchez Trace Parkway arches are complete. (2013). The History Channel website. Retrieved 2:10, May 23, 2013, from http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete.
Natchez Trace Parkway arches are complete. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete [Accessed 23 May 2013].
“Natchez Trace Parkway arches are complete.” 2013. The History Channel website. May 23 2013, 2:10 http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete.
“Natchez Trace Parkway arches are complete,” The History Channel website, 2013, http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete [accessed May 23, 2013].
“Natchez Trace Parkway arches are complete,” The History Channel website, http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete (accessed May 23, 2013).
Natchez Trace Parkway arches are complete [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete.
Natchez Trace Parkway arches are complete, http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete (last visited May 23, 2013).
Natchez Trace Parkway arches are complete. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/natchez-trace-parkway-arches-are-complete. Accessed May 23, 2013.