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Earth%20Day%20Timeline

APA Style

Earth%20Day%20Timeline. (2015). The History Channel website. Retrieved 1:57, May 3, 2015, from http://www.history.com/topics/earth-day-timeline.

Harvard Style

Earth%20Day%20Timeline. [Internet]. 2015. The History Channel website. Available from: http://www.history.com/topics/earth-day-timeline [Accessed 3 May 2015].

MLA Style

“Earth%20Day%20Timeline.” 2015. The History Channel website. May 3 2015, 1:57 http://www.history.com/topics/earth-day-timeline.

MHRA Style

“Earth%20Day%20Timeline,” The History Channel website, 2015, http://www.history.com/topics/earth-day-timeline [accessed May 3, 2015].

Chicago Style

“Earth%20Day%20Timeline,” The History Channel website, http://www.history.com/topics/earth-day-timeline (accessed May 3, 2015).

CBE/CSE Style

Earth%20Day%20Timeline [Internet]. The History Channel website; 2015 [cited 2015 May 3] Available from: http://www.history.com/topics/earth-day-timeline.

Bluebook Style

Earth%20Day%20Timeline, http://www.history.com/topics/earth-day-timeline (last visited May 3, 2015).

AMA Style

Earth%20Day%20Timeline. The History Channel website. 2015. Available at: http://www.history.com/topics/earth-day-timeline. Accessed May 3, 2015.

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