BibTeX:
@incollection{AdibTaherzadeh1974,
  author = {Adib Taherzadeh},
  title = {The Father of the Poor: The Young Nobleman of Ṭihrán},
  booktitle = {The Revelation of Bahá'u'lláh, Volume 1},
  year = {1974},
  publisher = {George Ronald},
}

APA:
Adib Taherzadeh. (1974). The Father of the Poor: The Young Nobleman of Ṭihrán. In *The Revelation of Bahá'u'lláh, Volume 1*. George Ronald.

MLA:
Adib Taherzadeh. "The Father of the Poor: The Young Nobleman of Ṭihrán." *The Revelation of Bahá'u'lláh, Volume 1*, George Ronald, 1974.

Chicago:
Adib Taherzadeh. "The Father of the Poor: The Young Nobleman of Ṭihrán." In *The Revelation of Bahá'u'lláh, Volume 1*, George Ronald, 1974.