Citazione Stile APA (7a Edizione)

Simeons, C. (1978). Coal, its role in tomorrow's technology: A sourcebook on global coal resources (First edition.). Pergamon Press. https://doi.org/10.1016/C2013-0-03018-6

Citazione stile Chigago Style (17a edizione)

Simeons, Charles. Coal, Its Role in Tomorrow's Technology: A Sourcebook on Global Coal Resources. First edition. Oxford: Pergamon Press, 1978. https://doi.org/10.1016/C2013-0-03018-6.

Citatione MLA (9a ed.)

Simeons, Charles. Coal, Its Role in Tomorrow's Technology: A Sourcebook on Global Coal Resources. First edition. Pergamon Press, 1978. https://doi.org/10.1016/C2013-0-03018-6.