BibTeX:
@incollection{Various,
  author = {Various},
  title = {On the day I arrived at Haifa I was ill with a dysentery which I had picked up},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/empathy},
}

APA:
Various. On the day I arrived at Haifa I was ill with a dysentery which I had picked up. In *bahaistories.com archive*.

MLA:
Various. "On the day I arrived at Haifa I was ill with a dysentery which I had picked up." *bahaistories.com archive*, n.d..

Chicago:
Various. "On the day I arrived at Haifa I was ill with a dysentery which I had picked up." In *bahaistories.com archive*, n.d..