BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Two Friends Who Followed the Light},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/mashhadi-%e1%b8%a5usayn-and-mashhadi-mu%e1%b8%a5ammad-i-adhirbayjani/},
}

APA:
Bahá'í Chronicles editors. The Two Friends Who Followed the Light. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Two Friends Who Followed the Light." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Two Friends Who Followed the Light." In *Bahá'í Chronicles*, n.d..