APA (7th ed.) Citation

Townsend, P. D., & Kelly, J. C. (1973). Colour centres and imperfections in insulators and semiconductors. Chatto and Windus for Sussex University Press.

Chicago Style (17th ed.) Citation

Townsend, P. D., and J. C. Kelly. Colour Centres and Imperfections in Insulators and Semiconductors. London: Chatto and Windus for Sussex University Press, 1973.

MLA (8th ed.) Citation

Townsend, P. D., and J. C. Kelly. Colour Centres and Imperfections in Insulators and Semiconductors. Chatto and Windus for Sussex University Press, 1973.