BibTeX:
@incollection{Various,
  author = {Various},
  title = {I Would Take Your Illness upon Myself},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/empathy},
}

APA:
Various. I Would Take Your Illness upon Myself. In *bahaistories.com archive*.

MLA:
Various. "I Would Take Your Illness upon Myself." *bahaistories.com archive*, n.d..

Chicago:
Various. "I Would Take Your Illness upon Myself." In *bahaistories.com archive*, n.d..