APA (7th ed.) Citation

Gray, T. A., & McCormick, T. (1989). Metal technics (2nd ed.). Books Waterloo.

Chicago Style (17th ed.) Citation

Gray, T. A., and T. McCormick. Metal Technics. 2nd ed. Milton, Qld, N.S.W.: Books Waterloo, 1989.

MLA (9th ed.) Citation

Gray, T. A., and T. McCormick. Metal Technics. 2nd ed. Books Waterloo, 1989.