BibTeX:
@incollection{Various,
  author = {Various},
  title = {An American family once wrote to the Master, asking if they might visit Him},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/consideration},
}

APA:
Various. An American family once wrote to the Master, asking if they might visit Him. In *bahaistories.com archive*.

MLA:
Various. "An American family once wrote to the Master, asking if they might visit Him." *bahaistories.com archive*, n.d..

Chicago:
Various. "An American family once wrote to the Master, asking if they might visit Him." In *bahaistories.com archive*, n.d..