BibTeX:
@incollection{Various,
  author = {Various},
  title = {Five years after Grace told me these stories she went on an extensive teaching…},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/teaching},
}

APA:
Various. Five years after Grace told me these stories she went on an extensive teaching…. In *bahaistories.com archive*.

MLA:
Various. "Five years after Grace told me these stories she went on an extensive teaching…." *bahaistories.com archive*, n.d..

Chicago:
Various. "Five years after Grace told me these stories she went on an extensive teaching…." In *bahaistories.com archive*, n.d..