APA način citiranja

(1968). Portfolio for peace; excerpts from the writings and speeches of U Thant, Secretary-General of the United Nations, on major world issues 1961-1968. New York: United Nations.

Čikaški stil citiranja

Portfolio for Peace; Excerpts From the Writings and Speeches of U Thant, Secretary-General of the United Nations, On Major World Issues 1961-1968. New York: United Nations, 1968.

MLA način citiranja

Portfolio for Peace; Excerpts From the Writings and Speeches of U Thant, Secretary-General of the United Nations, On Major World Issues 1961-1968. New York: United Nations, 1968.