BibTeX:
@incollection{Various,
  author = {Various},
  title = {The first example of Mulla Husayn’s amazing heroism and swordsmanship},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2017/09/the-first-example-of-mulla-husayns.html},
}

APA:
Various. The first example of Mulla Husayn’s amazing heroism and swordsmanship. In *Baha'i Stories Blog*.

MLA:
Various. "The first example of Mulla Husayn’s amazing heroism and swordsmanship." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The first example of Mulla Husayn’s amazing heroism and swordsmanship." In *Baha'i Stories Blog*, n.d..