BibTeX:
@incollection{Various,
  author = {Various},
  title = {A Youth Witnesses the Revelation of Verses},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2014/01/a-youth-sees-bahaullah-revealing-verses.html},
}

APA:
Various. A Youth Witnesses the Revelation of Verses. In *Baha'i Stories Blog*.

MLA:
Various. "A Youth Witnesses the Revelation of Verses." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "A Youth Witnesses the Revelation of Verses." In *Baha'i Stories Blog*, n.d..