APA (7th ed.) Citation

Comfort, A., & Quilliam, S. (2008). The new joy of sex / Alex Comfort, Susan Quilliam. Mitchell Beazley.

Chicago Style (17th ed.) Citation

Comfort, Alex, and Susan Quilliam. The New Joy of Sex / Alex Comfort, Susan Quilliam. London :: Mitchell Beazley, 2008.

MLA (9th ed.) Citation

Comfort, Alex, and Susan Quilliam. The New Joy of Sex / Alex Comfort, Susan Quilliam. Mitchell Beazley, 2008.

Warning: These citations may not always be 100% accurate.