BibTeX:
@incollection{Various,
  author = {Various},
  title = {The dream of Mírzá ‘Abdu’l-Vahháb-i-Shírází – a youth chained besides Bahá’u’lláh in the Síyáh-Chál},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2023/07/the-dream-of-mirza-abdul-vahhab-i.html},
}

APA:
Various. The dream of Mírzá ‘Abdu’l-Vahháb-i-Shírází – a youth chained besides Bahá’u’lláh in the Síyáh-Chál. In *Baha'i Stories Blog*.

MLA:
Various. "The dream of Mírzá ‘Abdu’l-Vahháb-i-Shírází – a youth chained besides Bahá’u’lláh in the Síyáh-Chál." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The dream of Mírzá ‘Abdu’l-Vahháb-i-Shírází – a youth chained besides Bahá’u’lláh in the Síyáh-Chál." In *Baha'i Stories Blog*, n.d..