APA (7th ed.) Citation

Congdon, P., & Stillwell, J. C. H. (1991). Migration models: Macro and micro approaches. Belhaven Press.

Chicago Style (17th ed.) Citation

Congdon, P., and John C. H. Stillwell. Migration Models: Macro and Micro Approaches. London: Belhaven Press, 1991.

MLA (8th ed.) Citation

Congdon, P., and John C. H. Stillwell. Migration Models: Macro and Micro Approaches. Belhaven Press, 1991.