BibTeX:
@incollection{Various,
  author = {Various},
  title = {One summer day a luncheon was held in Dublin, New Hampshire, in the home of Mrs},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/teaching},
}

APA:
Various. One summer day a luncheon was held in Dublin, New Hampshire, in the home of Mrs. In *bahaistories.com archive*.

MLA:
Various. "One summer day a luncheon was held in Dublin, New Hampshire, in the home of Mrs." *bahaistories.com archive*, n.d..

Chicago:
Various. "One summer day a luncheon was held in Dublin, New Hampshire, in the home of Mrs." In *bahaistories.com archive*, n.d..