APA (7th ed.) Citation

ScienceDirect (Online service), Garmire, E. M., & Kost, A. R. (1999). Nonlinear optics in semiconductors. Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Elsa M. Garmire, and Alan Randal Kost. Nonlinear Optics in Semiconductors. San Diego ; London: Academic, 1999.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Nonlinear Optics in Semiconductors. Academic, 1999.