BibTeX:
@incollection{Various,
  author = {Various},
  title = {One brief incident that made a lasting impression on Leroy},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/steadfastness},
}

APA:
Various. One brief incident that made a lasting impression on Leroy. In *bahaistories.com archive*.

MLA:
Various. "One brief incident that made a lasting impression on Leroy." *bahaistories.com archive*, n.d..

Chicago:
Various. "One brief incident that made a lasting impression on Leroy." In *bahaistories.com archive*, n.d..