APA (7th ed.) Citation

Black, W. R., Nijkamp, P., & Reggiani, A. (2006). Special issue. TU Delft OPEN Publishing.

Chicago Style (17th ed.) Citation

Black, William R., Peter Nijkamp, and Aura Reggiani. Special Issue. TU Delft OPEN Publishing, 2006.

MLA (9th ed.) Citation

Black, William R., et al. Special Issue. TU Delft OPEN Publishing, 2006.