APA (7th ed.) Citation

(1920). Iron ores (contd.): Pre-carboniferous and carboniferous bedded ores of England and Wales. H.M.S.O.

Chicago Style (17th ed.) Citation

Iron Ores (contd.): Pre-carboniferous and Carboniferous Bedded Ores of England and Wales. London: H.M.S.O, 1920.

MLA (9th ed.) Citation

Iron Ores (contd.): Pre-carboniferous and Carboniferous Bedded Ores of England and Wales. H.M.S.O, 1920.

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