APA (7th ed.) Citation

ScienceDirect (Online service), Guenther, B. D., & Steel, D. G. (2018). Encyclopedia of modern optics (Second edition.). Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), B. D. Guenther, and Duncan G. Steel. Encyclopedia of Modern Optics. Second edition. Amsterdam, the Netherlands: Elsevier, 2018.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Encyclopedia of Modern Optics. Second edition. Elsevier, 2018.