BibTeX:
@incollection{Various,
  author = {Various},
  title = {1844: A lonely youth’s encounter with Bahá’u’lláh by a roadside in Mazindaran and his…},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2020/05/1844-lonely-youths-encounter-with.html},
}

APA:
Various. 1844: A lonely youth’s encounter with Bahá’u’lláh by a roadside in Mazindaran and his…. In *Baha'i Stories Blog*.

MLA:
Various. "1844: A lonely youth’s encounter with Bahá’u’lláh by a roadside in Mazindaran and his…." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "1844: A lonely youth’s encounter with Bahá’u’lláh by a roadside in Mazindaran and his…." In *Baha'i Stories Blog*, n.d..