As always cite your stuff:
Gordon, Amie M. “Why Halloween Makes Us Act Antisocial.” Psychology Today, Sussex Publishers, 31 Oct. 2014, www.psychologytoday.com/blog/between-you-and-me/201410/why-halloween-makes-us-act-antisocial. Accessed 23 Sept. 2017.
“Halloween Psychology: How Mirrors Keep Kids in Line.” Social Psych Online, 25 Oct. 2015, socialpsychonline.com/2015/10/halloween-psychology-self-awareness/. Accessed 23 Sept. 2017.
“Halloween Psychology: Trick-or-Treaters Gone Bad.” Social Psych Online, 25 Oct. 2015, socialpsychonline.com/2015/10/halloween-psychology-deindividuation/. Accessed 23 Sept. 2017.
Hellion. “Home.” DeliriumsRealm.com, www.deliriumsrealm.com/history-halloween-america/. Accessed 23 Sept. 2017.
History.com Staff. “History of Halloween.” History.com, A&E Television Networks, 2009, www.history.com/topics/halloween/history-of-halloween. Accessed 23 Sept. 2017.
Inglis-Arkell, Esther. “Were you part of the evil Seattle Halloween experiments?” io9, io9.Gizmodo.com, 27 Jan. 2014, io9.gizmodo.com/were-you-used-in-evil-experiments-on-halloween-1509647512. Accessed 23 Sept. 2017.
Lombrozo, Tania. “Halloween Provides A Look Into Human Psychology.” NPR, NPR, 31 Oct. 2016, www.npr.org/sections/13.7/2016/10/31/500034064/halloween-provides-a-look-into-human-psychology. Accessed 23 Sept. 2017.
“What Trick or Treating Teaches Us About Human Nature.” Time, Time, time.com/4077564/trick-or-treating-psychology-studies-michelle-obama-hillary-clinton/. Accessed 23 Sept. 2017.