APA (7th ed.) Zitazioa

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.

Chicago Style (17th ed.) Zitazioa

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.

MLA (9th ed.) Zitazioa

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.