BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Miracle the Divines Would Not Choose},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2013/02/abdul-baha-tells-story-of-bahaullahs.html},
}

APA:
Various. The Miracle the Divines Would Not Choose. In *Baha'i Stories Blog*.

MLA:
Various. "The Miracle the Divines Would Not Choose." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Miracle the Divines Would Not Choose." In *Baha'i Stories Blog*, n.d..