APA (7th ed.) Citation

Ackroyd, P. R. (1984). Historical Problems of the Early Achaemenid Period.

Chicago Style (17th ed.) Citation

Ackroyd, P. R. Historical Problems of the Early Achaemenid Period. 1984.

MLA (8th ed.) Citation

Ackroyd, P. R. Historical Problems of the Early Achaemenid Period. 1984.

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