BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Friend Who Walked Beside the King},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/jinab-i-munib-upon-him-be-the-glory-of-the-all-glorious/},
}

APA:
Bahá'í Chronicles editors. The Friend Who Walked Beside the King. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Friend Who Walked Beside the King." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Friend Who Walked Beside the King." In *Bahá'í Chronicles*, n.d..