APA (7th ed.) Citation

GPS Outfitters Inc, Ryberg, D., Richardson, B., & Berillon, D. (2007). Using GPS with maps: [DVD guide]. GPS Outfitters Inc..

Chicago Style (17th ed.) Citation

GPS Outfitters Inc, Dave Ryberg, Bill Richardson, and Dena Berillon. Using GPS with Maps: [DVD Guide]. Shawnee Mission, KS: GPS Outfitters Inc., 2007.

MLA (9th ed.) Citation

GPS Outfitters Inc, et al. Using GPS with Maps: [DVD Guide]. GPS Outfitters Inc., 2007.