APA (7th ed.) Citation

Webb, J. F., Chew, K. H., Osman, J., & Tilley, D. R. (2001). The nature of some nonlinear optic coefficients in ferroelectrics.

Chicago Style (17th ed.) Citation

Webb, J. F., K. H. Chew, J. Osman, and D. R. Tilley. The Nature of Some Nonlinear Optic Coefficients in Ferroelectrics. 2001.

MLA (9th ed.) Citation

Webb, J. F., et al. The Nature of Some Nonlinear Optic Coefficients in Ferroelectrics. 2001.

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