APA (7th ed.) Citation

Sony Pictures Classics (Firm), Canobie Films (Firm), Johnstone, J., & Ettinger, B. (2011). Martha & Ethel. Sony Pictures Classics.

Chicago Style (17th ed.) Citation

Sony Pictures Classics (Firm), Canobie Films (Firm), Jyll Johnstone, and Barbara Ettinger. Martha & Ethel. Culver City, Calif.: Sony Pictures Classics, 2011.

MLA (9th ed.) Citation

Sony Pictures Classics (Firm), et al. Martha & Ethel. Sony Pictures Classics, 2011.