International Labour Office, International Labour Office, Paris Peace Conference, International Labour Conference, & International Labour Conference. Official bulletin - International Labour Office.
Chicago Style (17th ed.) CitationInternational Labour Office, International Labour Office, Paris Peace Conference, International Labour Conference, and International Labour Conference. Official Bulletin - International Labour Office. Geneva.
MLA (9th ed.) CitationInternational Labour Office, et al. Official Bulletin - International Labour Office.
Warning: These citations may not always be 100% accurate.