HBO Home Entertainment (Firm), March of Time, Inc, & General Electric Company. (1951). And a voice shall be heard. Home Box Office.
Chicago Style (17th ed.) CitationHBO Home Entertainment (Firm), Inc March of Time, and General Electric Company. And a Voice Shall Be Heard. New York, NY: Home Box Office, 1951.
MLA (9th ed.) CitationHBO Home Entertainment (Firm), et al. And a Voice Shall Be Heard. Home Box Office, 1951.
Warning: These citations may not always be 100% accurate.