BibTeX:
@incollection{Various,
  author = {Various},
  title = {Gifts from a Montreal Jeweller},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/generosity},
}

APA:
Various. Gifts from a Montreal Jeweller. In *bahaistories.com archive*.

MLA:
Various. "Gifts from a Montreal Jeweller." *bahaistories.com archive*, n.d..

Chicago:
Various. "Gifts from a Montreal Jeweller." In *bahaistories.com archive*, n.d..