APA (7th ed.) Citation

HBO Films, Velvet Film GmbH, Yolo Films, HBO Video (Firm), Peck, R., Elba, I., . . . Winger, D. (2005). Sometimes in April. HBO Video.

Chicago Style (17th ed.) Citation

HBO Films, et al. Sometimes in April. [United States]: HBO Video, 2005.

MLA (9th ed.) Citation

HBO Films, et al. Sometimes in April. HBO Video, 2005.