BibTeX:
@incollection{Various,
  author = {Various},
  title = {A man, ill with tuberculosis, was avoided by his friends -- even his family was},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/sick-caring},
}

APA:
Various. A man, ill with tuberculosis, was avoided by his friends -- even his family was. In *bahaistories.com archive*.

MLA:
Various. "A man, ill with tuberculosis, was avoided by his friends -- even his family was." *bahaistories.com archive*, n.d..

Chicago:
Various. "A man, ill with tuberculosis, was avoided by his friends -- even his family was." In *bahaistories.com archive*, n.d..