Charter of the Organization of American States :
signed at the Ninth International Conference of American States, Bogotá, March 30-May 2, 1948, as amended by the Protocol of Buenos Aires signed at the Third Special Inter-American Conference, February 18-27, 1967.
Inter-American Treaty of Reciprocal Assistance signed at the Inter-American Conference for the Maintenance of Continental Peace and Security, Rio de Janeiro, August 15-September 2, 1947.
APA Citation
Organization of American States. (1972). Charter of the Organization of American States: signed at the Ninth International Conference of American States, Bogotá, March 30-May 2, 1948, as amended by the Protocol of Buenos Aires signed at the Third Special Inter-American Conference, February 18-27, 1967. Washington, D.C.: General Secretariat, Organization of American States.
MLA Citation
Organization of American States. Charter of the Organization of American States: Signed At the Ninth International Conference of American States, Bogotá, March 30-May 2, 1948, As Amended by the Protocol of Buenos Aires Signed At the Third Special Inter-American Conference, February 18-27, 1967. Washington, D.C.: General Secretariat, Organization of American States, 1972.