APA (7th ed.) Citation

Alcon Entertainment (Firm), Warner Home Video (Firm), LaGravenese, R., Swank, H., Butler, G., Kudrow, L., & Ahern, C. (2008). P.S. I love you. Warner Home Video.

Chicago Style (17th ed.) Citation

Alcon Entertainment (Firm), Warner Home Video (Firm), Richard LaGravenese, Hilary Swank, Gerard Butler, Lisa Kudrow, and Cecelia Ahern. P.S. I Love You. Burbank, CA: Warner Home Video, 2008.

MLA (8th ed.) Citation

Alcon Entertainment (Firm), et al. P.S. I Love You. Warner Home Video, 2008.

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