APA
Meeting of American Chiefs of State, Meeting of American Chiefs of State & Meeting of American Chiefs of State. (1967). Reunión de jefes de estado americanos: Punta del Este, Uruguay, 12 al 14 de abril de 1967. Washington: Unión Panamericana.
Chicago
Meeting of American Chiefs of State, Meeting of American Chiefs of State and Meeting of American Chiefs of State. 1967. Reunión de jefes de estado americanos: Punta del Este, Uruguay, 12 al 14 de abril de 1967. Washington: Unión Panamericana.
Harvard
Meeting of American Chiefs of State, Meeting of American Chiefs of State and Meeting of American Chiefs of State. (1967). Reunión de jefes de estado americanos: Punta del Este, Uruguay, 12 al 14 de abril de 1967. Washington: Unión Panamericana.
MLA
Meeting of American Chiefs of State, Meeting of American Chiefs of State and Meeting of American Chiefs of State. Reunión de jefes de estado americanos: Punta del Este, Uruguay, 12 al 14 de abril de 1967. Washington: Unión Panamericana. 1967.