APA (7th ed.) Citation

Pato, L. (2017). River Tourism in the Douro Region.

Chicago Style (17th ed.) Citation

Pato, Lúcia. River Tourism in the Douro Region. 2017.

MLA (8th ed.) Citation

Pato, Lúcia. River Tourism in the Douro Region. 2017.

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