BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {A Solid Pillar of Servitude},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/haji-muhammad-riday-i-shirazi/},
}

APA:
Bahá'í Chronicles editors. A Solid Pillar of Servitude. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "A Solid Pillar of Servitude." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "A Solid Pillar of Servitude." In *Bahá'í Chronicles*, n.d..