Cita APA (7th ed.)
Campen, R. B. (2010). The comprehensive guide to skin care: From acne to wrinkles, what to do (and not do) to stay healthy and look your best. Praeger.
Cita Chicago (17th ed.)
Campen, Rebecca B. The Comprehensive Guide to Skin Care: From Acne to Wrinkles, What to Do (and Not Do) to Stay Healthy and Look Your Best. Santa Barbara, CA: Praeger, 2010.
Cita MLA (9th ed.)
Campen, Rebecca B. The Comprehensive Guide to Skin Care: From Acne to Wrinkles, What to Do (and Not Do) to Stay Healthy and Look Your Best. Praeger, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.