How to Cite this Page:

Earth Day Timeline

APA Style

Earth Day Timeline. (2013). The History Channel website. Retrieved 5:37, June 19, 2013, from http://www.history.com/topics/earth-day-timeline.

Harvard Style

Earth Day Timeline. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/earth-day-timeline [Accessed 19 Jun 2013].

MLA Style

“Earth Day Timeline.” 2013. The History Channel website. Jun 19 2013, 5:37 http://www.history.com/topics/earth-day-timeline.

MHRA Style

“Earth Day Timeline,” The History Channel website, 2013, http://www.history.com/topics/earth-day-timeline [accessed Jun 19, 2013].

Chicago Style

“Earth Day Timeline,” The History Channel website, http://www.history.com/topics/earth-day-timeline (accessed Jun 19, 2013).

CBE/CSE Style

Earth Day Timeline [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/topics/earth-day-timeline.

Bluebook Style

Earth Day Timeline, http://www.history.com/topics/earth-day-timeline (last visited Jun 19, 2013).

AMA Style

Earth Day Timeline. The History Channel website. 2013. Available at: http://www.history.com/topics/earth-day-timeline. Accessed Jun 19, 2013.