BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Stone Refused by the Builder},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/gifts},
}

APA:
Various. The Stone Refused by the Builder. In *bahaistories.com archive*.

MLA:
Various. "The Stone Refused by the Builder." *bahaistories.com archive*, n.d..

Chicago:
Various. "The Stone Refused by the Builder." In *bahaistories.com archive*, n.d..