Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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