APA (7th ed.) Citation

Humphreys, E. (1991). The royal road: A popular history of Iran. Scorpion Pudlishing.

Chicago Style (17th ed.) Citation

Humphreys, Eileen. The Royal Road: A Popular History of Iran. London: Scorpion Pudlishing, 1991.

MLA (9th ed.) Citation

Humphreys, Eileen. The Royal Road: A Popular History of Iran. Scorpion Pudlishing, 1991.