APA (7th ed.) Citation

Anacleto, R., Luz, N., & Figueiredo, L. (2013). Personalized sightseeing tours support using mobile devices.

Chicago Style (17th ed.) Citation

Anacleto, Ricardo, Nuno Luz, and Lino Figueiredo. Personalized Sightseeing Tours Support Using Mobile Devices. 2013.

MLA (8th ed.) Citation

Anacleto, Ricardo, et al. Personalized Sightseeing Tours Support Using Mobile Devices. 2013.