BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Brothers Who Stayed Together},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/aqa-muhammad-baqir-and-aqa-muhammad-ismail-the-tailor/},
}

APA:
Bahá'í Chronicles editors. The Brothers Who Stayed Together. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Brothers Who Stayed Together." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Brothers Who Stayed Together." In *Bahá'í Chronicles*, n.d..