APA (7th ed.) Citation

Constantin Film (Firm) & Warhol, A. (1974). Andy Warhol's Lonesome cowboys. [Constantin Film?].

Chicago Style (17th ed.) Citation

Constantin Film (Firm) and Andy Warhol. Andy Warhol's Lonesome Cowboys. [Munich?]: [Constantin Film?], 1974.

MLA (9th ed.) Citation

Constantin Film (Firm) and Andy Warhol. Andy Warhol's Lonesome Cowboys. [Constantin Film?], 1974.

Warning: These citations may not always be 100% accurate.