APA (7th ed.) Citation

Rodrigues, H., José, R., Moreira, A., & Pinto, H. (2003). Hypergeo: Context-aware access to geographic information for mobile users.

Chicago Style (17th ed.) Citation

Rodrigues, Helena, Rui José, Adriano Moreira, and Helder Pinto. Hypergeo: Context-aware Access to Geographic Information for Mobile Users. 2003.

MLA (8th ed.) Citation

Rodrigues, Helena, et al. Hypergeo: Context-aware Access to Geographic Information for Mobile Users. 2003.