APA (7th ed.) Citation

Craig, J. R., Vaughan, D. J., & Skinner, B. J. Earth resources and the environment (4th ed.).

Chicago Style (17th ed.) Citation

Craig, James R., David J. Vaughan, and Brian J. Skinner. Earth Resources and the Environment. 4th ed.

MLA (8th ed.) Citation

Craig, James R., et al. Earth Resources and the Environment. 4th ed.