Scientific publications - European Urology publication: Depending on the publishing journal, standard style

Example:
Stenzl A, Cowan NC, De Santis M, Jakse G, Kuczyk MA, Merseburger AS, Ribal MJ, Sherif A, Witjes JA. The updated EAU guidelines on muscle-invasive and metastatic bladder cancer. Eur Urol 2009 Apr;55(4):815-25.

Complete book print:
EAU Guidelines, edition presented at the 25th EAU Annual Congress, Barcelona 2010. ISBN 978-90-79754-70-0.

In case a publisher/location is standard style, include: EAU Guidelines Office, Arnhem, The Netherlands.

Individual guidelines text from the complete book print:
M. Fall, A.P. Baranowski, S. Elneil, D. Engeler, J. Hughes, E.J. Messelink, F. Oberpenning, A.C. de C. Williams; members of the European Association of Urology (EAU) Guidelines Office. Guidelines on Chronic Pelvic Pain. In: EAU Guidelines, edition presented at the 25th EAU Annual Congress, Barcelona 2010. ISBN 978-90-79754-70-0.

Citing a web page:
M. Fall, A.P. Baranowski, S. Elneil, D. Engeler, J. Hughes, E.J. Messelink, F. Oberpenning, A.C. de C. Williams. Guidelines on Chronic Pelvic Pain. Uroweb 2011.
Available at: http://www.uroweb.org/fileadmin/user_upload/Guidelines/Chronic%20Pelvic%20Pain.pdf .
Accessed June 1, 2011.

European Association of Urology Nurses (EAUN).  Continent Urinary Diversion – Good Practice in Health Care. Edition presented at the 11th International EAUN meeting, Barcelona 2010. ISBN 978-90-79754-32-8.
In case a publisher/location is standard style, include: EAUN Office, Arnhem The Netherlands.

Or

V. Geng, P. Eelen, S. Fillingham, S. Holroyd, B. Kiesbye, I. Pearce, S. Vahr; members of the European Association of Urology Nurses Guidelines Office. Edition presented at the 11th International EAUN meeting, Barcelona 2010. ISBN 978-90-79754-32-8.