APA (7e ed.) Bronvermelding

McMullan, J. T., Morgan, R., & Murray, R. B. (1983). Energy resources (2nd ed.). E. Arnold.

Chicago (17e ed.) Bronvermelding

McMullan, J. T., R. Morgan, en R. B. Murray. Energy Resources. 2nd ed. London: E. Arnold, 1983.

MLA (9e ed.) Bronvermelding

McMullan, J. T., et al. Energy Resources. 2nd ed. E. Arnold, 1983.