APA (7th ed.) Citation

World Coal Study., Greene, R. P., Gallagher, J. M., & Wilson, C. L. (1980). Future coal prospects: Country and regional assessments. Ballinger.

Chicago Style (17th ed.) Citation

World Coal Study., Robert P. Greene, J. Michael Gallagher, and Carroll L. Wilson. Future Coal Prospects: Country and Regional Assessments. Cambridge (Massachusetts): Ballinger, 1980.

MLA (9th ed.) Citation

World Coal Study., et al. Future Coal Prospects: Country and Regional Assessments. Ballinger, 1980.