Style de citation APA (7e éd.)

Hartmann, H., & Unger, C. R. (2014). A world of populations: Transnational perspectives on demography in the twentieth century. Berghahn Books.

Style de citation Chicago (17e éd.)

Hartmann, Heinrich, et Corinna R. Unger. A World of Populations: Transnational Perspectives on Demography in the Twentieth Century. New York: Berghahn Books, 2014.

Style de citation MLA (8e éd.)

Hartmann, Heinrich, et Corinna R. Unger. A World of Populations: Transnational Perspectives on Demography in the Twentieth Century. Berghahn Books, 2014.