APA (7th ed.) Citation

Powell, N. M. (1969). Time Reckoning among the Ancients.

Chicago Style (17th ed.) Citation

Powell, N. M. Time Reckoning Among the Ancients. New York, 1969.

MLA (8th ed.) Citation

Powell, N. M. Time Reckoning Among the Ancients. 1969.

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