BibTeX:
@incollection{Various,
  author = {Various},
  title = {Mullá ‘Abdu’l-Karím’s marvellous spiritual experience},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2022/07/mulla-abdul-karims-marvellous-spiritual.html},
}

APA:
Various. Mullá ‘Abdu’l-Karím’s marvellous spiritual experience. In *Baha'i Stories Blog*.

MLA:
Various. "Mullá ‘Abdu’l-Karím’s marvellous spiritual experience." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "Mullá ‘Abdu’l-Karím’s marvellous spiritual experience." In *Baha'i Stories Blog*, n.d..