Esslemont, J. E. (1970). Bahá'u'lláh and the new era: An introduction to the Bahá'í faith ([3rd rev. ed.].). Pyramid Books.
Chicago Style (17th ed.) CitationEsslemont, John Ebenezer. Bahá'u'lláh and the New Era: An Introduction to the Bahá'í Faith. [3rd rev. ed.]. New York: Pyramid Books, 1970.
MLA (9th ed.) CitationEsslemont, John Ebenezer. Bahá'u'lláh and the New Era: An Introduction to the Bahá'í Faith. [3rd rev. ed.]. Pyramid Books, 1970.
Warning: These citations may not always be 100% accurate.