APA (7th ed.) Citation
Bradford, W., Parkinson, J., & Spilker, E. Global positioning system. Theory and applications.
Chicago Style (17th ed.) Citation
Bradford, W., James Parkinson, and Eds Spilker. Global Positioning System. Theory and Applications.
MLA (9th ed.) Citation
Bradford, W., et al. Global Positioning System. Theory and Applications.
Warning: These citations may not always be 100% accurate.