Cita APA (7th ed.)
Cullen, J. (2017). Democratic empire: The United States since 1945. John Wiley & Sons.
Cita Chicago (17th ed.)
Cullen, Jim. Democratic Empire: The United States Since 1945. Chichester, UK ; Malden, MA: John Wiley & Sons, 2017.
Cita MLA (9th ed.)
Cullen, Jim. Democratic Empire: The United States Since 1945. John Wiley & Sons, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.