BibTeX:
@incollection{StaroftheWestEditors1924,
  author = {Star of the West Editors},
  title = {A Letter to a Scientist: 'Abdu'l-Bahá's Tablet to Auguste Forel},
  booktitle = {Star of the West},
  year = {1924},
  publisher = {Bahai News Service},
  url = {https://bahai-library.com/star_of_the_west_volume_1},
}

APA:
Star of the West Editors. (1924). A Letter to a Scientist: 'Abdu'l-Bahá's Tablet to Auguste Forel. In *Star of the West*. Bahai News Service.

MLA:
Star of the West Editors. "A Letter to a Scientist: 'Abdu'l-Bahá's Tablet to Auguste Forel." *Star of the West*, Bahai News Service, 1924.

Chicago:
Star of the West Editors. "A Letter to a Scientist: 'Abdu'l-Bahá's Tablet to Auguste Forel." In *Star of the West*, Bahai News Service, 1924.