Cita APA (7a ed.)

Ball, M. M. (1959). NATO and the European union movement. Frederick A. Praeger.

Cita Chicago Style (17a ed.)

Ball, M. Margaret. NATO and the European Union Movement. New York: Frederick A. Praeger, 1959.

Cita MLA (9a ed.)

Ball, M. Margaret. NATO and the European Union Movement. Frederick A. Praeger, 1959.