Zarathustra 628 v.Chr.-551 v.Chr & Guthrie, K. S. (1972). The life of Zoroaster: (Avesta, Gathas) (1st AMS ed., Repr. from the ed. Brooklyn 1914.). AMS Press.
Chicago Style (17th ed.) CitationZarathustra 628 v.Chr.-551 v.Chr and Kenneth Sylvan Guthrie. The Life of Zoroaster: (Avesta, Gathas). 1st AMS ed., Repr. from the ed. Brooklyn 1914. New York: AMS Press, 1972.
MLA (8th ed.) CitationZarathustra 628 v.Chr.-551 v.Chr and Kenneth Sylvan Guthrie. The Life of Zoroaster: (Avesta, Gathas). 1st AMS ed., Repr. from the ed. Brooklyn 1914. AMS Press, 1972.
Warning: These citations may not always be 100% accurate.