APA (7th ed.) Citation

Castles, S., & Miller, M. J. (1993). The age of migration: International population movements in the modern world. Guilford Press.

Chicago Style (17th ed.) Citation

Castles, Stephen, and Mark J. Miller. The Age of Migration: International Population Movements in the Modern World. New York: Guilford Press, 1993.

MLA (9th ed.) Citation

Castles, Stephen, and Mark J. Miller. The Age of Migration: International Population Movements in the Modern World. Guilford Press, 1993.