BibTeX:
@incollection{NabiliAzam1932,
  author = {Nabil-i-A'zam},
  title = {The Constable's Son},
  booktitle = {The Dawn-Breakers: Nabil's Narrative},
  year = {1932},
  publisher = {Baha'i Publishing Trust},
}

APA:
Nabil-i-A'zam. (1932). The Constable's Son. In *The Dawn-Breakers: Nabil's Narrative*. Baha'i Publishing Trust.

MLA:
Nabil-i-A'zam. "The Constable's Son." *The Dawn-Breakers: Nabil's Narrative*, Baha'i Publishing Trust, 1932.

Chicago:
Nabil-i-A'zam. "The Constable's Son." In *The Dawn-Breakers: Nabil's Narrative*, Baha'i Publishing Trust, 1932.