Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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