APA (7th ed.) Citation

(1989). The Problems of sulphur. Published by Butterworths on behalf of IEA Coal Research.

Chicago Style (17th ed.) Citation

The Problems of Sulphur. London: Published by Butterworths on behalf of IEA Coal Research, 1989.

MLA (9th ed.) Citation

The Problems of Sulphur. Published by Butterworths on behalf of IEA Coal Research, 1989.

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