APA (7th ed.) Citation

Albuquerque, H., Martins, F., & Costa, C. (2019). Steps towards sustainable tourism in Coastal Areas.

Chicago Style (17th ed.) Citation

Albuquerque, Helena, Filomena Martins, and Carlos Costa. Steps Towards Sustainable Tourism in Coastal Areas. 2019.

MLA (8th ed.) Citation

Albuquerque, Helena, et al. Steps Towards Sustainable Tourism in Coastal Areas. 2019.