Motteler et al. nd

Motteler, L. S. and Swenson, J. P. M. and Heckathorn, J. n.d. Hawaii. In Encyclopedia Britannica Online.

https://www.britannica.com/place/Hawaii-state

@incollection{motteleretal2020,
  author    = {Motteler, L. S. and Swenson, J. P. M. and Heckathorn, J.},
  booktitle = {Encyclopedia Britannica Online},
  title     = {Hawaii},
  url       = {https://www.britannica.com/place/Hawaii-state}
}