APA (7th ed.) Citation

Logan, A. C., Rubin, M. G., & Levy, P. M. (2010). Your skin, younger: New science secrets to naturally younger skin. Cumberland House.

Chicago Style (17th ed.) Citation

Logan, Alan C., Mark G. Rubin, and Phillip M. Levy. Your Skin, Younger: New Science Secrets to Naturally Younger Skin. Naperville, Ill.: Cumberland House, 2010.

MLA (8th ed.) Citation

Logan, Alan C., et al. Your Skin, Younger: New Science Secrets to Naturally Younger Skin. Cumberland House, 2010.

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