APA (7th ed.) Citation

(1979). The Direct use of coal - Prospecs and problems of production and combution - Ballinger. Ballinger.

Chicago Style (17th ed.) Citation

The Direct Use of Coal - Prospecs and Problems of Production and Combution - Ballinger. Ballinger, 1979.

MLA (8th ed.) Citation

The Direct Use of Coal - Prospecs and Problems of Production and Combution - Ballinger. Ballinger, 1979.

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