BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Five-Qirán Coin},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/abdul-baha-abbas/},
}

APA:
Bahá'í Chronicles editors. The Five-Qirán Coin. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Five-Qirán Coin." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Five-Qirán Coin." In *Bahá'í Chronicles*, n.d..