Wallbank, T. W. (1987). History and life: The world and its people (3rd edition.). Scott, Foresman.
Cita Chicago Style (17a ed.)Wallbank, T. Walter. History and Life: The World and Its People. 3rd edition. Glenview, Ill. [u.a.]: Scott, Foresman, 1987.
Cita MLA (9a ed.)Wallbank, T. Walter. History and Life: The World and Its People. 3rd edition. Scott, Foresman, 1987.
Precaución: Estas citas no son 100% exactas.