APA Edition Citation

Drummond, P. D., & Hillery, M. S. The quantum theory of nonlinear optics.

Chicago Edition Citation

Drummond, P. D., and Mark Stephen Hillery. The Quantum Theory of Nonlinear Optics.

MLA Edition Citation

Drummond, P. D., and Mark Stephen Hillery. The Quantum Theory of Nonlinear Optics.

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