Cita APA (7a ed.)

Vile, M. J. C. (1989). Politics in the USA ([4th ed.].). Unwin Hyman.

Cita Chicago Style (17a ed.)

Vile, M. J. C. Politics in the USA. [4th ed.]. Boston [etc.]: Unwin Hyman, 1989.

Cita MLA (9a ed.)

Vile, M. J. C. Politics in the USA. [4th ed.]. Unwin Hyman, 1989.