APA Citation

Hurn, J., & Hurn, J. (1989). GPS: A guide to the next utility. Sunnyvale Calif.: Trimble Navigation.

Chicago Style Citation

Hurn, Jeff, and Jeff Hurn. GPS: A Guide to the Next Utility. Sunnyvale Calif.: Trimble Navigation, 1989.

MLA Citation

Hurn, Jeff, and Jeff Hurn. GPS: A Guide to the Next Utility. Sunnyvale Calif.: Trimble Navigation, 1989.

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