BibTeX:
@incollection{Various,
  author = {Various},
  title = {A dear friend of the family, Jinab-i-Munib, was taken seriously ill},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/sick-caring},
}

APA:
Various. A dear friend of the family, Jinab-i-Munib, was taken seriously ill. In *bahaistories.com archive*.

MLA:
Various. "A dear friend of the family, Jinab-i-Munib, was taken seriously ill." *bahaistories.com archive*, n.d..

Chicago:
Various. "A dear friend of the family, Jinab-i-Munib, was taken seriously ill." In *bahaistories.com archive*, n.d..