APA (7th ed.) Citation

Gray, T. G. F., & Spence, J. (1982). Rational welding design (2nd ed.). Butterworths.

Chicago Style (17th ed.) Citation

Gray, T. G. F., and J. Spence. Rational Welding Design. 2nd ed. London: Butterworths, 1982.

MLA (9th ed.) Citation

Gray, T. G. F., and J. Spence. Rational Welding Design. 2nd ed. Butterworths, 1982.