Citations
Jacobs, Derek. "The Xenomorph and the Perversion of Sex in Alien" Plot and Theme. 18 May, 2016. https://plotandtheme.com/2016/05/18/the-xenomorph-and-the-perversion-of-sex-in-alien/
Thompson, Ryan. "Invasion of the Body Snatchers (1956) Analysis" Celluloid Cinema: Television and Film Discussion. 15 May 2017. http://www.celluloidcinema.com/post/invasion-of-the-body-snatchers.
“Body Snatcher.” TV Tropes, Creative Commons, tvtropes.org/pmwiki/pmwiki.php/Main/BodySnatcher.