BibTeX:
@incollection{Various,
  author = {Various},
  title = {May Maxwell, Crowned with Martyrdom},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/martyrs},
}

APA:
Various. May Maxwell, Crowned with Martyrdom. In *bahaistories.com archive*.

MLA:
Various. "May Maxwell, Crowned with Martyrdom." *bahaistories.com archive*, n.d..

Chicago:
Various. "May Maxwell, Crowned with Martyrdom." In *bahaistories.com archive*, n.d..