APA (7th ed.) Citation

HBO Home Entertainment (Firm), March of Time, Inc, & Van Voorhis, W. (1938). Inside the Maginot Line. Home Box Office.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

HBO Home Entertainment (Firm), et al. Inside the Maginot Line. Home Box Office, 1938.