BibTeX:
@incollection{Various,
  author = {Various},
  title = {Be natural, be happy…},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2013/07/be-natural-be-happy.html},
}

APA:
Various. Be natural, be happy…. In *Baha'i Stories Blog*.

MLA:
Various. "Be natural, be happy…." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "Be natural, be happy…." In *Baha'i Stories Blog*, n.d..