BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {Shaykh Ṣádiq and the Words “O Thou the Healer”},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/shaykh-%e1%b9%a3adiq-i-yazdi/},
}

APA:
Bahá'í Chronicles editors. Shaykh Ṣádiq and the Words “O Thou the Healer”. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "Shaykh Ṣádiq and the Words “O Thou the Healer”." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "Shaykh Ṣádiq and the Words “O Thou the Healer”." In *Bahá'í Chronicles*, n.d..