BibTeX:
@incollection{Various,
  author = {Various},
  title = {One day, in London, while several people were talking to ‘Abdu’l-Bahá, a man's},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/hospitality},
}

APA:
Various. One day, in London, while several people were talking to ‘Abdu’l-Bahá, a man's. In *bahaistories.com archive*.

MLA:
Various. "One day, in London, while several people were talking to ‘Abdu’l-Bahá, a man's." *bahaistories.com archive*, n.d..

Chicago:
Various. "One day, in London, while several people were talking to ‘Abdu’l-Bahá, a man's." In *bahaistories.com archive*, n.d..