BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Unturbaned Youth and the Mujtahid},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2016/06/an-example-of-bahaullahs-great-sagacity.html},
}

APA:
Various. The Unturbaned Youth and the Mujtahid. In *Baha'i Stories Blog*.

MLA:
Various. "The Unturbaned Youth and the Mujtahid." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Unturbaned Youth and the Mujtahid." In *Baha'i Stories Blog*, n.d..