APA (7th ed.) Citation

Schwarz, O. (1958). The psychology of sex (Repr.). Penguin Books.

Chicago Style (17th ed.) Citation

Schwarz, Oswald. The Psychology of Sex. Repr. Harmondsworth, Middlesex [u.a.]: Penguin Books, 1958.

MLA (9th ed.) Citation

Schwarz, Oswald. The Psychology of Sex. Repr. Penguin Books, 1958.