APA (7th ed.) Citation

IFLA Working Group on Content Designators, International Federation of Library Associations and Institutions. Section on Cataloguing, & International Federation of Library Associations and Institutions. Section on Mechanization. (1977). UNIMARC: Universal MARC format. IFLA International Office for UNC.

Chicago Style (17th ed.) Citation

IFLA Working Group on Content Designators, International Federation of Library Associations and Institutions. Section on Cataloguing, and International Federation of Library Associations and Institutions. Section on Mechanization. UNIMARC: Universal MARC Format. London: IFLA International Office for UNC, 1977.

MLA (8th ed.) Citation

IFLA Working Group on Content Designators, et al. UNIMARC: Universal MARC Format. IFLA International Office for UNC, 1977.