APA (7th ed.) Citation

Comfort, A. (1991). The new joy of sex (Rev. ed.). Mitchell Beazley.

Chicago Style (17th ed.) Citation

Comfort, Alexander. The New Joy of Sex. Rev. ed. London: Mitchell Beazley, 1991.

MLA (9th ed.) Citation

Comfort, Alexander. The New Joy of Sex. Rev. ed. Mitchell Beazley, 1991.