APA (7th ed.) Citation

IEA Coal Research. (1987). Coal research projects: Exploration, mining and preparation--1987 supplement. IEA Coal Research.

Chicago Style (17th ed.) Citation

IEA Coal Research. Coal Research Projects: Exploration, Mining and Preparation--1987 Supplement. [London]: IEA Coal Research, 1987.

MLA (9th ed.) Citation

IEA Coal Research. Coal Research Projects: Exploration, Mining and Preparation--1987 Supplement. IEA Coal Research, 1987.

Warning: These citations may not always be 100% accurate.