BibTeX:
@incollection{Various,
  author = {Various},
  title = {There was a time when ‘Abdu’l-Bahá was in chains},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/prison-akka},
}

APA:
Various. There was a time when ‘Abdu’l-Bahá was in chains. In *bahaistories.com archive*.

MLA:
Various. "There was a time when ‘Abdu’l-Bahá was in chains." *bahaistories.com archive*, n.d..

Chicago:
Various. "There was a time when ‘Abdu’l-Bahá was in chains." In *bahaistories.com archive*, n.d..