APA (7th ed.) Citation

Frye, R. N. (1975). The Cambridge history of Iran. The Cambridge history of Iran.

Chicago Style (17th ed.) Citation

Frye, Richard Nelson. "The Cambridge History of Iran." The Cambridge History of Iran 1975.

MLA (8th ed.) Citation

Frye, Richard Nelson. "The Cambridge History of Iran." The Cambridge History of Iran, 1975.

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