BibTeX:
@incollection{Various,
  author = {Various},
  title = {Later, on Christmas day, He visited Lord Lamington},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/christmas},
}

APA:
Various. Later, on Christmas day, He visited Lord Lamington. In *bahaistories.com archive*.

MLA:
Various. "Later, on Christmas day, He visited Lord Lamington." *bahaistories.com archive*, n.d..

Chicago:
Various. "Later, on Christmas day, He visited Lord Lamington." In *bahaistories.com archive*, n.d..