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The Doomsday Clock.

APA Style

The Doomsday Clock.. (2013). The History Channel website. Retrieved 9:36, May 24, 2013, from http://www.history.com/shows/modern-marvels/episodes/all-episodes.

Harvard Style

The Doomsday Clock.. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/modern-marvels/episodes/all-episodes [Accessed 24 May 2013].

MLA Style

“The Doomsday Clock..” 2013. The History Channel website. May 24 2013, 9:36 http://www.history.com/shows/modern-marvels/episodes/all-episodes.

MHRA Style

“The Doomsday Clock.,” The History Channel website, 2013, http://www.history.com/shows/modern-marvels/episodes/all-episodes [accessed May 24, 2013].

Chicago Style

“The Doomsday Clock.,” The History Channel website, http://www.history.com/shows/modern-marvels/episodes/all-episodes (accessed May 24, 2013).

CBE/CSE Style

The Doomsday Clock. [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/shows/modern-marvels/episodes/all-episodes.

Bluebook Style

The Doomsday Clock., http://www.history.com/shows/modern-marvels/episodes/all-episodes (last visited May 24, 2013).

AMA Style

The Doomsday Clock.. The History Channel website. 2013. Available at: http://www.history.com/shows/modern-marvels/episodes/all-episodes. Accessed May 24, 2013.