BibTeX:
@incollection{Various,
  author = {Various},
  title = {Not to Grieve for the Departed},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/grief},
}

APA:
Various. Not to Grieve for the Departed. In *bahaistories.com archive*.

MLA:
Various. "Not to Grieve for the Departed." *bahaistories.com archive*, n.d..

Chicago:
Various. "Not to Grieve for the Departed." In *bahaistories.com archive*, n.d..