Cita APA (7th ed.)

Labrador, M. A., Perez, A. J., & Wightman, P. M. (2011). Location-based information systems: Developing real-time tracking applications. Chapman & Hall/CRC.

Cita Chicago (17th ed.)

Labrador, Miguel A., Alfredo Jose Perez, i Pedro M. Wightman. Location-based Information Systems: Developing Real-time Tracking Applications. Boca Raton, FL: Chapman & Hall/CRC, 2011.

Cita MLA (9th ed.)

Labrador, Miguel A., et al. Location-based Information Systems: Developing Real-time Tracking Applications. Chapman & Hall/CRC, 2011.