BibTeX:
@incollection{Various,
  author = {Various},
  title = {Sixpences from the Holy Man},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/abdul-baha-and-children},
}

APA:
Various. Sixpences from the Holy Man. In *bahaistories.com archive*.

MLA:
Various. "Sixpences from the Holy Man." *bahaistories.com archive*, n.d..

Chicago:
Various. "Sixpences from the Holy Man." In *bahaistories.com archive*, n.d..