APA (7th ed.) Citation

HBO Home Entertainment (Firm), March of Time, Inc, & Van Voorhis, W. (1936). St. Lawrence Seaway. Home Box Office.

Chicago Style (17th ed.) Citation

HBO Home Entertainment (Firm), Inc March of Time, and Westbrook Van Voorhis. St. Lawrence Seaway. New York, NY: Home Box Office, 1936.

MLA (9th ed.) Citation

HBO Home Entertainment (Firm), et al. St. Lawrence Seaway. Home Box Office, 1936.