APA (7th ed.) Citation
Hill, W., Bridges, J., Barkin, E., & Hurt, J. Wild Bill =: Wild Bill.
Chicago Style (17th ed.) Citation
Hill, Walter, Jeff Bridges, Ellen Barkin, and John Hurt. Wild Bill =: Wild Bill.
MLA (9th ed.) Citation
Hill, Walter, et al. Wild Bill =: Wild Bill.
Warning: These citations may not always be 100% accurate.