APA (7th ed.) Citation

Sen, A., & Smith, T. E. (1995). Gravity Models of Spatial Interaction Behavior (1st ed. 1995.). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-79880-1

Chicago Style (17th ed.) Citation

Sen, Ashish, and Tony E. Smith. Gravity Models of Spatial Interaction Behavior. 1st ed. 1995. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. https://doi.org/10.1007/978-3-642-79880-1.

MLA (9th ed.) Citation

Sen, Ashish, and Tony E. Smith. Gravity Models of Spatial Interaction Behavior. 1st ed. 1995. Springer Berlin Heidelberg, 1995. https://doi.org/10.1007/978-3-642-79880-1.