BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Amatu’l-Bahá Ruhiyyih Khanum},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/amatul-baha-ruhiyyih-khanum/},
}

APA:
Bahá'í Chronicles editors. Amatu’l-Bahá Ruhiyyih Khanum. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Amatu’l-Bahá Ruhiyyih Khanum." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Amatu’l-Bahá Ruhiyyih Khanum." In *Bahá'í Chronicles*, n.d..