SpringerLink (Online service), Gutkowski, W., & Kowalewski, T. A. (2005). Mechanics of the 21st Century: Proceedings of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 15–21 August 2004. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Witold Gutkowski, and Tomasz A. Kowalewski. Mechanics of the 21st Century: Proceedings of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 15–21 August 2004. Dordrecht: Springer Netherlands, 2005.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Mechanics of the 21st Century: Proceedings of the 21st International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, 15–21 August 2004. Springer Netherlands, 2005.