APA (7th ed.) Citation

Zaehner, R. C. (1961). The dawn and twilight of Zoroastrianism. History of religion.

Chicago Style (17th ed.) Citation

Zaehner, R. C. "The Dawn and Twilight of Zoroastrianism." History of Religion 1961.

MLA (8th ed.) Citation

Zaehner, R. C. "The Dawn and Twilight of Zoroastrianism." History of Religion, 1961.

Warning: These citations may not always be 100% accurate.