APA (7th ed.) Citation

Macgregor, M., Lee, G. W., & Wilson, G. V. (1920). The iron ores of Scotland: Iron ores (continued). His Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Macgregor, Murray, Gabriel W. Lee, and G. V. Wilson. The Iron Ores of Scotland: Iron Ores (continued). Edinburgh: His Majesty's Stationery Office, 1920.

MLA (9th ed.) Citation

Macgregor, Murray, et al. The Iron Ores of Scotland: Iron Ores (continued). His Majesty's Stationery Office, 1920.