APA (7th ed.) Citation

International Forum on New Technologies of Coal Utilization (1982 : Essen) & Unesco. (1983). Coal utilization: An international forum on new technologies. Unesco.

Chicago Style (17th ed.) Citation

International Forum on New Technologies of Coal Utilization (1982 : Essen) and Unesco. Coal Utilization: An International Forum on New Technologies. Paris: Unesco, 1983.

MLA (9th ed.) Citation

International Forum on New Technologies of Coal Utilization (1982 : Essen) and Unesco. Coal Utilization: An International Forum on New Technologies. Unesco, 1983.