Cita APA (7a ed.)

Gran Bretaña. Department of Scientific and Industrial Research. Fuel Research Board & Gran Bretaña. Her Majesty's Stationery Office. (1923). Physical and chemical survey of the national coal resources. Her Majesty's Stationery Office.

Cita Chicago Style (17a ed.)

Gran Bretaña. Department of Scientific and Industrial Research. Fuel Research Board y Gran Bretaña. Her Majesty's Stationery Office. Physical and Chemical Survey of the National Coal Resources. London: Her Majesty's Stationery Office, 1923.

Cita MLA (9a ed.)

Gran Bretaña. Department of Scientific and Industrial Research. Fuel Research Board y Gran Bretaña. Her Majesty's Stationery Office. Physical and Chemical Survey of the National Coal Resources. Her Majesty's Stationery Office, 1923.