Cita APA

Wrigley, E. (1969). Population and history. New York US: World University Library.

Citación estilo Chicago

Wrigley, E.A. Population and History. New York US: World University Library, 1969.

Cita MLA

Wrigley, E.A. Population and History. New York US: World University Library, 1969.

Precaución: Estas citas no son 100% exactas.