APA (7th ed.) Citation

Clark, G. L., & Ballard, K. P. (1979). Modeling out-migration from depressed regions: The significance of origin and destination characteristics. Harvard University, Department of City and Regional Planning.

Chicago Style (17th ed.) Citation

Clark, Gordon L., and Kenneth P. Ballard. Modeling Out-migration from Depressed Regions: The Significance of Origin and Destination Characteristics. Cambridge, Mass.: Harvard University, Department of City and Regional Planning, 1979.

MLA (9th ed.) Citation

Clark, Gordon L., and Kenneth P. Ballard. Modeling Out-migration from Depressed Regions: The Significance of Origin and Destination Characteristics. Harvard University, Department of City and Regional Planning, 1979.