APA (7th ed.) Citation

Nockolds, S. R., Knox, R. W. O., & Chinner, G. (1978). Petrology for students. Cambridge University Press.

Chicago Style (17th ed.) Citation

Nockolds, Stephen Robert, R. W. O'B Knox, and G.A Chinner. Petrology for Students. Cambridge [etc.]: Cambridge University Press, 1978.

MLA (9th ed.) Citation

Nockolds, Stephen Robert, et al. Petrology for Students. Cambridge University Press, 1978.