Cite Multi-CAST as:

Haig, Geoffrey & Schnell, Stefan (eds.). 2022. Multi-CAST: Multilingual corpus of annotated spoken texts. Version 2211. Bamberg: University of Bamberg. (multicast.aspra.uni-bamberg.de/) (date accessed)

@book{Haig.Schnell2022,
 editor = {Haig, Geoffrey and Schnell, Stefan},
 year = {2022},
 title = {{Multi-CAST}},
 subtitle = {{Multilingual corpus of annotated spoken texts}},
 note = {Version 2211}},
 address = {Bamberg},
 publisher = {University of Bamberg},
 url = {multicast.aspra.uni-bamberg.de/}
}