BibTeX:
@incollection{AbdulBah1886,
  author = {'Abdu'l-Bahá},
  title = {Shaykh Murtadá's Refusal},
  booktitle = {A Traveler's Narrative},
  year = {1886},
  publisher = {Bahá'í Publishing Trust},
}

APA:
'Abdu'l-Bahá. (1886). Shaykh Murtadá's Refusal. In *A Traveler's Narrative*. Bahá'í Publishing Trust.

MLA:
'Abdu'l-Bahá. "Shaykh Murtadá's Refusal." *A Traveler's Narrative*, Bahá'í Publishing Trust, 1886.

Chicago:
'Abdu'l-Bahá. "Shaykh Murtadá's Refusal." In *A Traveler's Narrative*, Bahá'í Publishing Trust, 1886.