APA (7th ed.) Citation

Lopes, R., Abrantes, J. L., & Kastenholz, E. (2016). Innovation, tourism and social networks.

Chicago Style (17th ed.) Citation

Lopes, Romeu, José Luís Abrantes, and Elisabeth Kastenholz. Innovation, Tourism and Social Networks. 2016.

MLA (8th ed.) Citation

Lopes, Romeu, et al. Innovation, Tourism and Social Networks. 2016.