BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Ismu’lláhu’l-Asdaq (Mullá Ṣádiq Khurasani)},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/ismullahul-asdaq-mulla-%e1%b9%a3adiq/},
}

APA:
Bahá'í Chronicles editors. Ismu’lláhu’l-Asdaq (Mullá Ṣádiq Khurasani). In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Ismu’lláhu’l-Asdaq (Mullá Ṣádiq Khurasani)." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Ismu’lláhu’l-Asdaq (Mullá Ṣádiq Khurasani)." In *Bahá'í Chronicles*, n.d..