BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Third of the Seven Martyrs of Tihrán},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/haji-mulla-ismail-i-qumi/},
}

APA:
Bahá'í Chronicles editors. Third of the Seven Martyrs of Tihrán. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Third of the Seven Martyrs of Tihrán." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Third of the Seven Martyrs of Tihrán." In *Bahá'í Chronicles*, n.d..