Lua APA (7ú heag.)
Freud Sigmund. (1962). Three contributions to the theory of sex (ed.). E. P. Dutton & Co..
Lua i Stíl Chicago (17ú heag.)
Freud Sigmund. Three Contributions to the Theory of Sex. ed. New York: E. P. Dutton & Co., 1962.
Lua MLA (9ú heag.)
Freud Sigmund. Three Contributions to the Theory of Sex. ed. E. P. Dutton & Co., 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.