Cita APA (7a ed.)

Forbes, D. (1981). The peacemakers (1st published.). Heinemann Educational.

Cita Chicago Style (17a ed.)

Forbes, Duncan. The Peacemakers. 1st published. London: Heinemann Educational, 1981.

Cita MLA (9a ed.)

Forbes, Duncan. The Peacemakers. 1st published. Heinemann Educational, 1981.