BibTeX:
@incollection{Various,
  author = {Various},
  title = {While riding in the countryside of Nur, Bahá’u’lláh came across a dervish},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/teaching},
}

APA:
Various. While riding in the countryside of Nur, Bahá’u’lláh came across a dervish. In *bahaistories.com archive*.

MLA:
Various. "While riding in the countryside of Nur, Bahá’u’lláh came across a dervish." *bahaistories.com archive*, n.d..

Chicago:
Various. "While riding in the countryside of Nur, Bahá’u’lláh came across a dervish." In *bahaistories.com archive*, n.d..