Cita APA

Kirk, D., & Kirk, D. (1946). Europe's population in the interwar years. United States of America: League of Nations.

Citación estilo Chicago

Kirk, Dudly, y Dudly Kirk. Europe's Population in the Interwar Years. United States of America: League of Nations, 1946.

Cita MLA

Kirk, Dudly, y Dudly Kirk. Europe's Population in the Interwar Years. United States of America: League of Nations, 1946.