Citazione Stile APA (7a Edizione)

Freud, S., Strachey, J., & Richards, A. (1974). Introductory lectures on psychoanalysis. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Freud, Sigmund, James Strachey, e Angela Richards. Introductory Lectures on Psychoanalysis. Harmondsworth, Middlesex, England: Penguin Books, 1974.

Citatione MLA (9a ed.)

Freud, Sigmund, et al. Introductory Lectures on Psychoanalysis. Penguin Books, 1974.