APA (7th ed.) Citation

(1981). The economics of coal (first ed.). Roskill Information Services Ltd.

Chicago Style (17th ed.) Citation

The Economics of Coal. first ed. London: Roskill Information Services Ltd, 1981.

MLA (9th ed.) Citation

The Economics of Coal. first ed. Roskill Information Services Ltd, 1981.

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