BibTeX:
@incollection{Various,
  author = {Various},
  title = {What Is the Color of Love?},
  booktitle = {Baha'i Stories for Children},
  url = {https://bahaistoriesforchildren.blogspot.com/2021/04/what-is-color-of-love_22.html},
}

APA:
Various. What Is the Color of Love?. In *Baha'i Stories for Children*.

MLA:
Various. "What Is the Color of Love?." *Baha'i Stories for Children*, n.d..

Chicago:
Various. "What Is the Color of Love?." In *Baha'i Stories for Children*, n.d..