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Nightfall. (1969, December 31). In MegaEssays.com. Retrieved 05:33, April 24, 2024, from https://www.megaessays.com/viewpaper/73999.html
MegaEssays. "Nightfall." MegaEssays.com. MegaEssays.com, (December 31, 1969). Web. 24 Apr. 2024.
MegaEssays, "Nightfall.," MegaEssays.com, https://www.megaessays.com/viewpaper/73999.html (accessed April 24, 2024)