APA (7th ed.) Citation

Nijkamp, P., & Reggiani, A. (1998). The economics of complex spatial systems. Elsevier Science B.V.

Chicago Style (17th ed.) Citation

Nijkamp, Peter, and Aura Reggiani. The Economics of Complex Spatial Systems. New York: Elsevier Science B.V, 1998.

MLA (9th ed.) Citation

Nijkamp, Peter, and Aura Reggiani. The Economics of Complex Spatial Systems. Elsevier Science B.V, 1998.