APA Citation

(2012). Iron & steel works of the world directory 2012 (20th ed.). London: Metal Bulletin.

Chicago Style Citation

Iron & Steel Works of the World Directory 2012. 20th ed. London: Metal Bulletin, 2012.

MLA Citation

Iron & Steel Works of the World Directory 2012. 20th ed. London: Metal Bulletin, 2012.

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