Cita APA (7th ed.)

Heale, M. J. (2004). Twentieth-century America: Politics and power in the United States, 1900-2000. Arnold.

Cita Chicago (17th ed.)

Heale, M. J. Twentieth-century America: Politics and Power in the United States, 1900-2000. London: Arnold, 2004.

Cita MLA (9th ed.)

Heale, M. J. Twentieth-century America: Politics and Power in the United States, 1900-2000. Arnold, 2004.