BibTeX:
@incollection{Various,
  author = {Various},
  title = {“One evening the western pilgrims were gathered together as usual with the Guardian},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/prayer},
}

APA:
Various. “One evening the western pilgrims were gathered together as usual with the Guardian. In *bahaistories.com archive*.

MLA:
Various. "“One evening the western pilgrims were gathered together as usual with the Guardian." *bahaistories.com archive*, n.d..

Chicago:
Various. "“One evening the western pilgrims were gathered together as usual with the Guardian." In *bahaistories.com archive*, n.d..