BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Báb's Three Nights in Káshán},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2023/09/a-believers-dream-about-hosting-bab.html},
}

APA:
Various. The Báb's Three Nights in Káshán. In *Baha'i Stories Blog*.

MLA:
Various. "The Báb's Three Nights in Káshán." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Báb's Three Nights in Káshán." In *Baha'i Stories Blog*, n.d..