APA (7th ed.) Citation

Boyle, J. A. (1968). The Cambridge history of Iran. The Cambridge history of Iran.

Chicago Style (17th ed.) Citation

Boyle, John Andrew. "The Cambridge History of Iran." The Cambridge History of Iran 1968.

MLA (8th ed.) Citation

Boyle, John Andrew. "The Cambridge History of Iran." The Cambridge History of Iran, 1968.

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