APA (7th ed.) Citation

IFC Films, Stern, R., Rivers, J., Rivers, M., Rickles, D., Diller, P., & Griffin, K. (2010). Joan Rivers: A piece of work. IFC Films.

Chicago Style (17th ed.) Citation

IFC Films, Ricki Stern, Joan Rivers, Melissa Rivers, Don Rickles, Phyllis Diller, and Kathy Griffin. Joan Rivers: A Piece of Work. New York: IFC Films, 2010.

MLA (8th ed.) Citation

IFC Films, et al. Joan Rivers: A Piece of Work. IFC Films, 2010.

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