Citazione Stile APA (7a Edizione)

Freud, S. (1994). The major works of Sigmund Freud (2nd ed., 5th printing.). Encyclopaedia Britannica.

Citazione stile Chigago Style (17a edizione)

Freud, Sigmund. The Major Works of Sigmund Freud. 2nd ed., 5th printing. Chicago, Ill [etc.]: Encyclopaedia Britannica, 1994.

Citatione MLA (9a ed.)

Freud, Sigmund. The Major Works of Sigmund Freud. 2nd ed., 5th printing. Encyclopaedia Britannica, 1994.