Cita APA (7th ed.)
Caughey, J. W. America since 1793: A Survey of its History. Instituto Panamericano de Geografía e Historia.
Cita Chicago (17th ed.)
Caughey, John W. America Since 1793: A Survey of Its History. México: Instituto Panamericano de Geografía e Historia.
Cita MLA (9th ed.)
Caughey, John W. America Since 1793: A Survey of Its History. Instituto Panamericano de Geografía e Historia.
Atenció: Aquestes cites poden no estar 100% correctes.