Cita APA (7th ed.)

WAllis, J. (1982). Waging peace. Harper & Row.

Cita Chicago (17th ed.)

WAllis, Jim. Waging Peace. Sanfranciso: Harper & Row, 1982.

Cita MLA (9th ed.)

WAllis, Jim. Waging Peace. Harper & Row, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.