Cita APA (7th ed.)
Freud, S., Strauss, G. D., & Voisin, M. (1962). Three essays on the theory of sexuality.
Cita Chicago (17th ed.)
Freud, Sigmund, Gloria D. Strauss, i Marcel Voisin. Three Essays on the Theory of Sexuality. 1962.
Cita MLA (9th ed.)
Freud, Sigmund, et al. Three Essays on the Theory of Sexuality. 1962.
Atenció: Aquestes cites poden no estar 100% correctes.