APA (7th ed.) Citation

Klaudia, D., & Adam, P. (2021, December). The underground city: The tourism potential of water and sewage infrastructure: the example of Poland. Bulletin of Geography. Socio-Economic Series.

Chicago Style (17th ed.) Citation

Klaudia, Dębczyńska, and Piasecki Adam. "The Underground City: The Tourism Potential of Water and Sewage Infrastructure: The Example of Poland." Bulletin of Geography. Socio-Economic Series Dec. 2021.

MLA (9th ed.) Citation

Klaudia, Dębczyńska, and Piasecki Adam. "The Underground City: The Tourism Potential of Water and Sewage Infrastructure: The Example of Poland." Bulletin of Geography. Socio-Economic Series, Dec. 2021.

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