Cita APA (7th ed.)

ONU. (1985). The blue helmets: A review of United Nations peace-keeping. Department of Public Information.

Cita Chicago (17th ed.)

ONU. The Blue Helmets: A Review of United Nations Peace-keeping. Nueva York: Department of Public Information, 1985.

Cita MLA (9th ed.)

ONU. The Blue Helmets: A Review of United Nations Peace-keeping. Department of Public Information, 1985.