APA (7th ed.) Citation

Freitas, I. V. d., Sousa, C., Marques, J., Ribeiro, S., Yasar, S., & Pires, H. (2019). Tourism in Porto's Historic Centre: Analysing risks and safeguarding of the landscape.

Chicago Style (17th ed.) Citation

Freitas, Isabel Vaz de, Cristina Sousa, Jorge Marques, Susana Ribeiro, Sidal Yasar, and Hugo Pires. Tourism in Porto's Historic Centre: Analysing Risks and Safeguarding of the Landscape. 2019.

MLA (8th ed.) Citation

Freitas, Isabel Vaz de, et al. Tourism in Porto's Historic Centre: Analysing Risks and Safeguarding of the Landscape. 2019.