BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Young Man in the Green Turban},
  booktitle = {Baha'i Stories for Children},
  url = {https://bahaistoriesforchildren.blogspot.com/2014/12/the-young-man-in-green-turban.html},
}

APA:
Various. The Young Man in the Green Turban. In *Baha'i Stories for Children*.

MLA:
Various. "The Young Man in the Green Turban." *Baha'i Stories for Children*, n.d..

Chicago:
Various. "The Young Man in the Green Turban." In *Baha'i Stories for Children*, n.d..