O'Callaghan, B. (1992). An Illustrated History of the Usa (3ª.). Longman Group UK.
Cita Chicago Style (17a ed.)O'Callaghan, Bryn. An Illustrated History of the Usa. 3ª. Longman Group UK, 1992.
Cita MLA (8a ed.)O'Callaghan, Bryn. An Illustrated History of the Usa. 3ª. Longman Group UK, 1992.
Precaución: Estas citas no son 100% exactas.