APA (7th ed.) Citation

He, G., & Liu, S. (1999). Physics of nonlinear optics. World Scientific.

Chicago Style (17th ed.) Citation

He, Guangsheng, and Songhao Liu. Physics of Nonlinear Optics. Singapore ; River Edge, NJ: World Scientific, 1999.

MLA (9th ed.) Citation

He, Guangsheng, and Songhao Liu. Physics of Nonlinear Optics. World Scientific, 1999.

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