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Earth%20Day%20Timeline

APA Style

Earth%20Day%20Timeline. (2014). The History Channel website. Retrieved 8:49, April 24, 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 24 Apr 2014].

MLA Style

“Earth%20Day%20Timeline.” 2014. The History Channel website. Apr 24 2014, 8:49 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 Apr 24, 2014].

Chicago Style

“Earth%20Day%20Timeline,” The History Channel website, http://www.history.com/topics/earth-day-timeline (accessed Apr 24, 2014).

CBE/CSE Style

Earth%20Day%20Timeline [Internet]. The History Channel website; 2014 [cited 2014 Apr 24] 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 Apr 24, 2014).

AMA Style

Earth%20Day%20Timeline. The History Channel website. 2014. Available at: http://www.history.com/topics/earth-day-timeline. Accessed Apr 24, 2014.

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