APA استشهاد

Freud, S. (1991). Case histories I: "Dora" and "Little Hans". Penguin.

استشهاد بنمط شيكاغو

Freud, Sigmund. Case Histories I: "Dora" and "Little Hans". London: Penguin, 1991.

MLA استشهاد

Freud, Sigmund. Case Histories I: "Dora" and "Little Hans". Penguin, 1991.