BibTeX:
@incollection{Various,
  author = {Various},
  title = {Spirit-Arrows},
  booktitle = {Baha'i Stories for Children},
  url = {https://bahaistoriesforchildren.blogspot.com/2022/11/spirit-arrows.html},
}

APA:
Various. Spirit-Arrows. In *Baha'i Stories for Children*.

MLA:
Various. "Spirit-Arrows." *Baha'i Stories for Children*, n.d..

Chicago:
Various. "Spirit-Arrows." In *Baha'i Stories for Children*, n.d..