APA (7th ed.) Citation

Beckmann, M., & Puu, T. (1985). Spatial economics : density, potential, and flow / Martin Beckmann, Tönu Puu: Density, potential, and flow. North-Holland.

Chicago Style (17th ed.) Citation

Beckmann, Martin, and Tönu Puu. Spatial Economics : Density, Potential, and Flow / Martin Beckmann, Tönu Puu: Density, Potential, and Flow. Amsterdam ; Oxford: North-Holland, 1985.

MLA (9th ed.) Citation

Beckmann, Martin, and Tönu Puu. Spatial Economics : Density, Potential, and Flow / Martin Beckmann, Tönu Puu: Density, Potential, and Flow. North-Holland, 1985.

Warning: These citations may not always be 100% accurate.