BibTeX:
@incollection{Various,
  author = {Various},
  title = {The King and the Dervish},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2015/07/the-king-and-dervish.html},
}

APA:
Various. The King and the Dervish. In *Baha'i Stories Blog*.

MLA:
Various. "The King and the Dervish." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The King and the Dervish." In *Baha'i Stories Blog*, n.d..