APA (7th ed.) Citation

Keely, C. B., Kritz, M. M., & Tomasi, S. M. (1981). Global trends in migration: Theory and research on international population movements. Center for Migration Studies.

Chicago Style (17th ed.) Citation

Keely, Charles B., Mary M. Kritz, and Silvan M. Tomasi. Global Trends in Migration: Theory and Research on International Population Movements. New York: Center for Migration Studies, 1981.

MLA (9th ed.) Citation

Keely, Charles B., et al. Global Trends in Migration: Theory and Research on International Population Movements. Center for Migration Studies, 1981.