BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Ustad Qulám-‘Alíy-i-Najjár},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/ustad-qulam-aliy-i-najjar/},
}

APA:
Bahá'í Chronicles editors. Ustad Qulám-‘Alíy-i-Najjár. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Ustad Qulám-‘Alíy-i-Najjár." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Ustad Qulám-‘Alíy-i-Najjár." In *Bahá'í Chronicles*, n.d..