Cita APA (7a ed.)

(1967). Proceedings (International congress on congress organization: 4º : Copenhagen : 1966). Union of International Associations.

Cita Chicago Style (17a ed.)

Proceedings (International Congress on Congress Organization: 4º : Copenhagen : 1966). Brussels: Union of International Associations, 1967.

Cita MLA (9a ed.)

Proceedings (International Congress on Congress Organization: 4º : Copenhagen : 1966). Union of International Associations, 1967.