APA (7th ed.) Citation

Hayes, P. C., & Gray, P. M. . J. (1985). Process selection in extractive metallurgy. Hayes Publishing.

Chicago Style (17th ed.) Citation

Hayes, P. C., and P. M J. Gray. Process Selection in Extractive Metallurgy. Brisbane: Hayes Publishing, 1985.

MLA (9th ed.) Citation

Hayes, P. C., and P. M J. Gray. Process Selection in Extractive Metallurgy. Hayes Publishing, 1985.