BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Dunns Carry the Faith to Australia},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2016/02/tablets-of-divine-plan-changed-lives-of.html},
}

APA:
Various. The Dunns Carry the Faith to Australia. In *Baha'i Stories Blog*.

MLA:
Various. "The Dunns Carry the Faith to Australia." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Dunns Carry the Faith to Australia." In *Baha'i Stories Blog*, n.d..