APA (7th ed.) Citation

Steel (Conference) 1968, Luxembourg, & European Coal and Steel Community. (1968). Steel in the chemical industry (Conference) 1968, Luxembourg. [Papers of the Congress] ... European Coal and Steel Community.

Chicago Style (17th ed.) Citation

Steel (Conference) 1968, Luxembourg, and European Coal and Steel Community. Steel in the Chemical Industry (Conference) 1968, Luxembourg. [Papers of the Congress] ... European Coal and Steel Community, 1968.

MLA (9th ed.) Citation

Steel (Conference) 1968, Luxembourg, and European Coal and Steel Community. Steel in the Chemical Industry (Conference) 1968, Luxembourg. [Papers of the Congress] ... European Coal and Steel Community, 1968.

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