APA (7th ed.) Citation

Great Britain. Fuel Research Board. (1938). The North Wales coalfield: The main seam. Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Great Britain. Fuel Research Board. The North Wales Coalfield: The Main Seam. London: Her Majesty's Stationery Office, 1938.

MLA (8th ed.) Citation

Great Britain. Fuel Research Board. The North Wales Coalfield: The Main Seam. Her Majesty's Stationery Office, 1938.

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