APA (7th ed.) Citation

Liberato, P., Nogueira, R., & Liberato, D. (2022). Perspectives of social sustainability in urban tourism. Comparative study between Porto and Barcelona.

Chicago Style (17th ed.) Citation

Liberato, Pedro, Rita Nogueira, and Dália Liberato. Perspectives of Social Sustainability in Urban Tourism. Comparative Study Between Porto and Barcelona. 2022.

MLA (8th ed.) Citation

Liberato, Pedro, et al. Perspectives of Social Sustainability in Urban Tourism. Comparative Study Between Porto and Barcelona. 2022.