BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Prisoner with power},
  booktitle = {Baha'i Stories for Children},
  url = {https://bahaistoriesforchildren.blogspot.com/2023/07/the-prisoner-with-power.html},
}

APA:
Various. The Prisoner with power. In *Baha'i Stories for Children*.

MLA:
Various. "The Prisoner with power." *Baha'i Stories for Children*, n.d..

Chicago:
Various. "The Prisoner with power." In *Baha'i Stories for Children*, n.d..