Dyfyniad APA

Freud, S. (1991). Civilization, society and religion: Group psychology, civilization and its discontents and other works. Penguin.

Dyfyniad Arddull Chicago

Freud, Sigmund. Civilization, Society and Religion: Group Psychology, Civilization and Its Discontents and Other Works. London: Penguin, 1991.

Dyfyniad MLA

Freud, Sigmund. Civilization, Society and Religion: Group Psychology, Civilization and Its Discontents and Other Works. Penguin, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.