APA (7th ed.) Citation

Li, L., Ng, C., & Mastorakis, N. E. (2009). A physically-based Human Skin Reflection Model. Wseas press.

Chicago Style (17th ed.) Citation

Li, Ling, C. Ng, and Nikos E. Mastorakis. A Physically-based Human Skin Reflection Model. Wseas press, 2009.

MLA (9th ed.) Citation

Li, Ling, et al. A Physically-based Human Skin Reflection Model. Wseas press, 2009.