APA (7th ed.) Citation

Kriwaczek, P. (2003). In search of Zarathustra: The first prophet and the ideas that changed the world (1st American ed.). Knopf.

Chicago Style (17th ed.) Citation

Kriwaczek, Paul. In Search of Zarathustra: The First Prophet and the Ideas That Changed the World. 1st American ed. New York: Knopf, 2003.

MLA (9th ed.) Citation

Kriwaczek, Paul. In Search of Zarathustra: The First Prophet and the Ideas That Changed the World. 1st American ed. Knopf, 2003.