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Earth%20Day%20Timeline

APA Style

Earth%20Day%20Timeline. (2014). The History Channel website. Retrieved 7:24, November 23, 2014, from http://www.history.com/topics/earth-day-timeline.

Harvard Style

Earth%20Day%20Timeline. [Internet]. 2014. The History Channel website. Available from: http://www.history.com/topics/earth-day-timeline [Accessed 23 Nov 2014].

MLA Style

“Earth%20Day%20Timeline.” 2014. The History Channel website. Nov 23 2014, 7:24 http://www.history.com/topics/earth-day-timeline.

MHRA Style

“Earth%20Day%20Timeline,” The History Channel website, 2014, http://www.history.com/topics/earth-day-timeline [accessed Nov 23, 2014].

Chicago Style

“Earth%20Day%20Timeline,” The History Channel website, http://www.history.com/topics/earth-day-timeline (accessed Nov 23, 2014).

CBE/CSE Style

Earth%20Day%20Timeline [Internet]. The History Channel website; 2014 [cited 2014 Nov 23] 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 Nov 23, 2014).

AMA Style

Earth%20Day%20Timeline. The History Channel website. 2014. Available at: http://www.history.com/topics/earth-day-timeline. Accessed Nov 23, 2014.

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