Cita APA (7a ed.)

Wrigley, E. (1974). Population and History. McGraw-Hill.

Cita Chicago Style (17a ed.)

Wrigley, E.A. Population and History. New York ; Toronto: McGraw-Hill, 1974.

Cita MLA (9a ed.)

Wrigley, E.A. Population and History. McGraw-Hill, 1974.