APA Style
Wörndl, W. et al (2021).
Information and Communication Technologies in Tourism 2021: Proceedings of the ENTER 2021 eTourism Conference, January 19–22, 2021 .
Cham:
Springer Cham.
MLA Style
Wörndl, Wolfgang. et al.
"Information and Communication Technologies in Tourism 2021: Proceedings of the ENTER 2021 eTourism Conference, January 19–22, 2021".
Cham:
Springer Cham,
2021.
Text.