APA (7th ed.) Citation

Cianfrance, D., Ruffalo, M., Leo, M., Panjabi, A., & O'Donnell, R. (2021). I know this much is true. Warner Home Video.

Chicago Style (17th ed.) Citation

Cianfrance, Derek, Mark Ruffalo, Melissa Leo, Archie Panjabi, and Rosie O'Donnell. I Know This Much Is True. Burbank, CA: Warner Home Video, 2021.

MLA (8th ed.) Citation

Cianfrance, Derek, et al. I Know This Much Is True. Warner Home Video, 2021.

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