BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Mírzá Muhammad},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/mirza-muhammad-the-servant-at-the-travelers-hospice/},
}

APA:
Bahá'í Chronicles editors. Mírzá Muhammad. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Mírzá Muhammad." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Mírzá Muhammad." In *Bahá'í Chronicles*, n.d..