APA (7th ed.) Citation

HBO Home Entertainment (Firm), March of Time, Inc, & Van Voorhis, W. (1938). Arms and the League. Home Box Office.

Chicago Style (17th ed.) Citation

HBO Home Entertainment (Firm), Inc March of Time, and Westbrook Van Voorhis. Arms and the League. New York, NY: Home Box Office, 1938.

MLA (9th ed.) Citation

HBO Home Entertainment (Firm), et al. Arms and the League. Home Box Office, 1938.