Heldt, F. H., & Heldt, C. (1960). Belgian Congo. Belgian Congo and Ruanda-Urundi Information and Public Relations Office.
Chicago Style (17th ed.) CitationHeldt, F. H., and C. Heldt. Belgian Congo. Brussels: Belgian Congo and Ruanda-Urundi Information and Public Relations Office, 1960.
MLA (9th ed.) CitationHeldt, F. H., and C. Heldt. Belgian Congo. Belgian Congo and Ruanda-Urundi Information and Public Relations Office, 1960.
Warning: These citations may not always be 100% accurate.