Aaron Copland's Appalachian Spring premieres at the Library of Congress. (2013). The History Channel website. Retrieved 11:14, May 25, 2013, from http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress.
Aaron Copland's Appalachian Spring premieres at the Library of Congress. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress [Accessed 25 May 2013].
“Aaron Copland's Appalachian Spring premieres at the Library of Congress.” 2013. The History Channel website. May 25 2013, 11:14 http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress.
“Aaron Copland's Appalachian Spring premieres at the Library of Congress,” The History Channel website, 2013, http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress [accessed May 25, 2013].
“Aaron Copland's Appalachian Spring premieres at the Library of Congress,” The History Channel website, http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress (accessed May 25, 2013).
Aaron Copland's Appalachian Spring premieres at the Library of Congress [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress.
Aaron Copland's Appalachian Spring premieres at the Library of Congress, http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress (last visited May 25, 2013).
Aaron Copland's Appalachian Spring premieres at the Library of Congress. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/aaron-copland39s-appalachian-spring-premieres-at-the-library-of-congress. Accessed May 25, 2013.