BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Money Thrown into the River},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2017/12/a-believers-eagerness-to-provide.html},
}

APA:
Various. The Money Thrown into the River. In *Baha'i Stories Blog*.

MLA:
Various. "The Money Thrown into the River." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Money Thrown into the River." In *Baha'i Stories Blog*, n.d..