APA (7th ed.) Citation

Gray, T. G. F., Spence, J., & North, T. H. (1975). Rational welding design. Newnes-Butterworths.

Chicago Style (17th ed.) Citation

Gray, T. G. F., J. Spence, and T. H. North. Rational Welding Design. London: Newnes-Butterworths, 1975.

MLA (8th ed.) Citation

Gray, T. G. F., et al. Rational Welding Design. Newnes-Butterworths, 1975.