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Columbine High School massacre

APA Style

Columbine High School massacre. (2013). The History Channel website. Retrieved 9:21, May 24, 2013, from http://www.history.com/this-day-in-history/columbine-high-school-massacre.

Harvard Style

Columbine High School massacre. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/columbine-high-school-massacre [Accessed 24 May 2013].

MLA Style

“Columbine High School massacre.” 2013. The History Channel website. May 24 2013, 9:21 http://www.history.com/this-day-in-history/columbine-high-school-massacre.

MHRA Style

“Columbine High School massacre,” The History Channel website, 2013, http://www.history.com/this-day-in-history/columbine-high-school-massacre [accessed May 24, 2013].

Chicago Style

“Columbine High School massacre,” The History Channel website, http://www.history.com/this-day-in-history/columbine-high-school-massacre (accessed May 24, 2013).

CBE/CSE Style

Columbine High School massacre [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/this-day-in-history/columbine-high-school-massacre.

Bluebook Style

Columbine High School massacre, http://www.history.com/this-day-in-history/columbine-high-school-massacre (last visited May 24, 2013).

AMA Style

Columbine High School massacre. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/columbine-high-school-massacre. Accessed May 24, 2013.