BibTeX:
@incollection{Various,
  author = {Various},
  title = {Every day, the jailors would enter the cell and would call out the name of one},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/martyrs-attitudes},
}

APA:
Various. Every day, the jailors would enter the cell and would call out the name of one. In *bahaistories.com archive*.

MLA:
Various. "Every day, the jailors would enter the cell and would call out the name of one." *bahaistories.com archive*, n.d..

Chicago:
Various. "Every day, the jailors would enter the cell and would call out the name of one." In *bahaistories.com archive*, n.d..