BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Afnán of All Delights},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/righteous},
}

APA:
Various. The Afnán of All Delights. In *bahaistories.com archive*.

MLA:
Various. "The Afnán of All Delights." *bahaistories.com archive*, n.d..

Chicago:
Various. "The Afnán of All Delights." In *bahaistories.com archive*, n.d..