BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Muḥammad Ḥaná-Sáb},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/mu%e1%b8%a5ammad-%e1%b8%a5ana-sab/},
}

APA:
Bahá'í Chronicles editors. Muḥammad Ḥaná-Sáb. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Muḥammad Ḥaná-Sáb." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Muḥammad Ḥaná-Sáb." In *Bahá'í Chronicles*, n.d..