BibTeX:
@incollection{BahChronicleseditors,
  author = {Bahá'í Chronicles editors},
  title = {The Merchant Who Heard the Good News},
  booktitle = {Bahá'í Chronicles},
  url = {https://bahaichronicles.org/husayn-effendi-tabrizi/},
}

APA:
Bahá'í Chronicles editors. The Merchant Who Heard the Good News. In *Bahá'í Chronicles*.

MLA:
Bahá'í Chronicles editors. "The Merchant Who Heard the Good News." *Bahá'í Chronicles*, n.d..

Chicago:
Bahá'í Chronicles editors. "The Merchant Who Heard the Good News." In *Bahá'í Chronicles*, n.d..