APA (7th ed.) Citation

Santos, N., & Moreira, C. O. (2021). Uncertainty and expectations in Portugal's tourism activities. Impacts of COVID-19.

Chicago Style (17th ed.) Citation

Santos, Norberto, and Claudete Oliveira Moreira. Uncertainty and Expectations in Portugal's Tourism Activities. Impacts of COVID-19. 2021.

MLA (8th ed.) Citation

Santos, Norberto, and Claudete Oliveira Moreira. Uncertainty and Expectations in Portugal's Tourism Activities. Impacts of COVID-19. 2021.

Warning: These citations may not always be 100% accurate.