FREUD, S. (1986). Jokes and their relation to the unconncious. Penguin Books.
Citazione stile Chigago Style (17a edizione)FREUD, Sigmund. Jokes and Their Relation to the Unconncious. Middlesex: Penguin Books, 1986.
Citatione MLA (9a ed.)FREUD, Sigmund. Jokes and Their Relation to the Unconncious. Penguin Books, 1986.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.