APA (7th ed.) Citation

Eurasphalt & Eurobitume Congress Vienna, Austria, European Bitumen Association, & European Asphalt Pavement Association. (2004). Eurasphalt & Eurobitume Congress: 12-14 May 2004 Vienna. [European Bitumen Association?].

Chicago Style (17th ed.) Citation

Eurasphalt & Eurobitume Congress Vienna, Austria, European Bitumen Association, and European Asphalt Pavement Association. Eurasphalt & Eurobitume Congress: 12-14 May 2004 Vienna. [Brussels]: [European Bitumen Association?], 2004.

MLA (9th ed.) Citation

Eurasphalt & Eurobitume Congress Vienna, Austria, et al. Eurasphalt & Eurobitume Congress: 12-14 May 2004 Vienna. [European Bitumen Association?], 2004.