(1932). Problems of population: Being the report of the proceedings of the second general assembly of the International Union for the Scientific Investigation of Population problems held at Royal Society of Arts, London, June 15-18, 1931. Kennikat Press.
Cita Chicago Style (17a ed.)Problems of Population: Being the Report of the Proceedings of the Second General Assembly of the International Union for the Scientific Investigation of Population Problems Held at Royal Society of Arts, London, June 15-18, 1931. Port Washington: Kennikat Press, 1932.
Cita MLA (9a ed.)Problems of Population: Being the Report of the Proceedings of the Second General Assembly of the International Union for the Scientific Investigation of Population Problems Held at Royal Society of Arts, London, June 15-18, 1931. Kennikat Press, 1932.