APA (7th ed.) Citation

ScienceDirect (Online service), Moustakas, T. D., & Pankove, J. I. (1999). Gallium nitride (GaN). Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), T. D. Moustakas, and Jacques I. Pankove. Gallium Nitride (GaN). San Diego ; London: Academic, 1999.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Gallium Nitride (GaN). Academic, 1999.