BibTeX:
@incollection{Various,
  author = {Various},
  title = {After the meeting He went up to rest in Mr Morten’s room},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/exhaustion},
}

APA:
Various. After the meeting He went up to rest in Mr Morten’s room. In *bahaistories.com archive*.

MLA:
Various. "After the meeting He went up to rest in Mr Morten’s room." *bahaistories.com archive*, n.d..

Chicago:
Various. "After the meeting He went up to rest in Mr Morten’s room." In *bahaistories.com archive*, n.d..