BibTeX:
@incollection{Various,
  author = {Various},
  title = {A Delayed Departure from Budapest},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/selfless},
}

APA:
Various. A Delayed Departure from Budapest. In *bahaistories.com archive*.

MLA:
Various. "A Delayed Departure from Budapest." *bahaistories.com archive*, n.d..

Chicago:
Various. "A Delayed Departure from Budapest." In *bahaistories.com archive*, n.d..