Cita APA (7a ed.)

Beijer Institute, Chadwick, M. J., Lindman, N., & Highton, N. H. (1987). Environmental impacts of coal mining and utilization: A study. Pergamon.

Cita Chicago Style (17a ed.)

Beijer Institute, M. J. Chadwick, Nils Lindman, y N. H. Highton. Environmental Impacts of Coal Mining and Utilization: A Study. Oxford [Oxfordshire] ; New York: Pergamon, 1987.

Cita MLA (8a ed.)

Beijer Institute, et al. Environmental Impacts of Coal Mining and Utilization: A Study. Pergamon, 1987.