APA (7th ed.) Citation

McMullan, J. T., Morgan, R., & Murray, R. B. (1977). Energy resources. E. Arnold.

Chicago Style (17th ed.) Citation

McMullan, J. T., R. Morgan, and R. B. Murray. Energy Resources. London: E. Arnold, 1977.

MLA (9th ed.) Citation

McMullan, J. T., et al. Energy Resources. E. Arnold, 1977.