Psychoanalyst Erich Fromm studied the effect of society on the human psyche in such works as To Have or to Be and Escape from Freedom.
Erich Fromm. (2013). The Biography Channel website. Retrieved 09:59, May 24, 2013, from http://www.biography.com/people/erich-fromm-9303242.
Erich Fromm. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/erich-fromm-9303242 [Accessed 24 May 2013].
"Erich Fromm." 2013. The Biography Channel website. May 24 2013, 09:59 http://www.biography.com/people/erich-fromm-9303242.
"Erich Fromm," The Biography Channel website, 2013, http://www.biography.com/people/erich-fromm-9303242 [accessed May 24, 2013].
"Erich Fromm," The Biography Channel website, http://www.biography.com/people/erich-fromm-9303242 (accessed May 24, 2013).
Erich Fromm [Internet]. The Biography Channel website; 2013 [cited 2013 May 24] Available from: http://www.biography.com/people/erich-fromm-9303242.
Erich Fromm, http://www.biography.com/people/erich-fromm-9303242 (last visited May 24, 2013).
Erich Fromm. The Biography Channel website. 2013. Available at: http://www.biography.com/people/erich-fromm-9303242. Accessed May 24, 2013.