APA (7th ed.) Citation

Harzig, C., Hoerder, D., & Gabaccia, D. (2009). What is migration history? Cambridge: Polity Press.

Chicago Style (17th ed.) Citation

Harzig, Christiane, Dirk Hoerder, and Donna Gabaccia. What Is Migration History? Cambridge: Polity Press, 2009.

MLA (8th ed.) Citation

Harzig, Christiane, et al. What Is Migration History? Cambridge: Polity Press, 2009.