BibTeX:
@incollection{Various,
  author = {Various},
  title = {Dream of Many Fishes},
  booktitle = {Baha'i Stories for Children},
  url = {https://bahaistoriesforchildren.blogspot.com/2014/11/dream-of-many-fishes.html},
}

APA:
Various. Dream of Many Fishes. In *Baha'i Stories for Children*.

MLA:
Various. "Dream of Many Fishes." *Baha'i Stories for Children*, n.d..

Chicago:
Various. "Dream of Many Fishes." In *Baha'i Stories for Children*, n.d..