APA (7th ed.) Citation

Hartmann, H., & Unger, C. R. (2017). A world of populations: Transnational perspectives on demography in the twentieth century (First paperback edition.). Berghahn.

Chicago Style (17th ed.) Citation

Hartmann, Heinrich, and Corinna R. Unger. A World of Populations: Transnational Perspectives on Demography in the Twentieth Century. First paperback edition. New York ; Oxford: Berghahn, 2017.

MLA (9th ed.) Citation

Hartmann, Heinrich, and Corinna R. Unger. A World of Populations: Transnational Perspectives on Demography in the Twentieth Century. First paperback edition. Berghahn, 2017.