BibTeX:
@incollection{Various,
  author = {Various},
  title = {Thomas [Breakwell] wrote to the Master, happily saying that, if he},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/pain},
}

APA:
Various. Thomas [Breakwell] wrote to the Master, happily saying that, if he. In *bahaistories.com archive*.

MLA:
Various. "Thomas [Breakwell] wrote to the Master, happily saying that, if he." *bahaistories.com archive*, n.d..

Chicago:
Various. "Thomas [Breakwell] wrote to the Master, happily saying that, if he." In *bahaistories.com archive*, n.d..