BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Ustád Nasru’lláh Raphael},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/ustad-nasrullah-raphael-entitled-magic-pen/},
}

APA:
Bahá'í Chronicles editors. Ustád Nasru’lláh Raphael. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Ustád Nasru’lláh Raphael." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Ustád Nasru’lláh Raphael." In *Bahá'í Chronicles*, n.d..