Cita APA (7th ed.)

IGU Working Group on Mathematical Models, Fischer, M. M., Nijkamp, P., & Papageorgiou, Y. Y. (1990). Spatial choices and processes. North-Holland Distributors for the U.S. and Canada, Elsevier Science Pub. Co.

Cita Chicago (17th ed.)

IGU Working Group on Mathematical Models, Manfred M. Fischer, Peter Nijkamp, i Y. Y. Papageorgiou. Spatial Choices and Processes. Amsterdam, New York, New York, N.Y., U.S.A: North-Holland Distributors for the U.S. and Canada, Elsevier Science Pub. Co, 1990.

Cita MLA (9th ed.)

IGU Working Group on Mathematical Models, et al. Spatial Choices and Processes. North-Holland Distributors for the U.S. and Canada, Elsevier Science Pub. Co, 1990.