APA (7th ed.) Citation

Olmstead, A. T. (1948). History of the Persian empire: (Achaemenid period). University of Chicago Press.

Chicago Style (17th ed.) Citation

Olmstead, Albert T. History of the Persian Empire: (Achaemenid Period). Chicago: University of Chicago Press, 1948.

MLA (9th ed.) Citation

Olmstead, Albert T. History of the Persian Empire: (Achaemenid Period). University of Chicago Press, 1948.

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