BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Master's Gift on Riverside Drive},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/generosity},
}

APA:
Various. The Master's Gift on Riverside Drive. In *bahaistories.com archive*.

MLA:
Various. "The Master's Gift on Riverside Drive." *bahaistories.com archive*, n.d..

Chicago:
Various. "The Master's Gift on Riverside Drive." In *bahaistories.com archive*, n.d..