Cita APA (7th ed.)

Freud,Sigmund, & Richards,Angela. (1970). On sexuality: Three essays on the theory of sexuality and other works. Penguin.

Cita Chicago (17th ed.)

Freud,Sigmund, i Richards,Angela. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Harmondsworth,: Penguin, 1970.

Cita MLA (8th ed.)

Freud,Sigmund, i Richards,Angela. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Penguin, 1970.