BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Truth and Nothing But: Ḥájí ʻAlí-ʻAskar},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/haji-ali-askar-i-tabrizi/},
}

APA:
Bahá'í Chronicles editors. The Truth and Nothing But: Ḥájí ʻAlí-ʻAskar. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Truth and Nothing But: Ḥájí ʻAlí-ʻAskar." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Truth and Nothing But: Ḥájí ʻAlí-ʻAskar." In *Bahá'í Chronicles*, n.d..