BibTeX:
@incollection{Various,
  author = {Various},
  title = {Imprisoned in Two Prisons},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/prison-akka},
}

APA:
Various. Imprisoned in Two Prisons. In *bahaistories.com archive*.

MLA:
Various. "Imprisoned in Two Prisons." *bahaistories.com archive*, n.d..

Chicago:
Various. "Imprisoned in Two Prisons." In *bahaistories.com archive*, n.d..