Citazione Stile APA (7a Edizione)

Freud, S. (1996). The major works of Sigmund Freud (2nd ed., 6th print.). Encyclopædia Britannica.

Citazione stile Chigago Style (17a edizione)

Freud, Sigmund. The Major Works of Sigmund Freud. 2nd ed., 6th print. Chicago: Encyclopædia Britannica, 1996.

Citatione MLA (9a ed.)

Freud, Sigmund. The Major Works of Sigmund Freud. 2nd ed., 6th print. Encyclopædia Britannica, 1996.