BibTeX:
@incollection{Various,
  author = {Various},
  title = {Being in the presence of Bahá'u'lláh -- Varqá recalled his unique experiences},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2014/04/being-in-presence-of-bahaullah-varqa.html},
}

APA:
Various. Being in the presence of Bahá'u'lláh -- Varqá recalled his unique experiences. In *Baha'i Stories Blog*.

MLA:
Various. "Being in the presence of Bahá'u'lláh -- Varqá recalled his unique experiences." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "Being in the presence of Bahá'u'lláh -- Varqá recalled his unique experiences." In *Baha'i Stories Blog*, n.d..