APA (7th ed.) Citation

Powell, T. G. E. (1958). The Celts. F. A. Praeger.

Chicago Style (17th ed.) Citation

Powell, Thomas George Eyre. The Celts. New York: F. A. Praeger, 1958.

MLA (9th ed.) Citation

Powell, Thomas George Eyre. The Celts. F. A. Praeger, 1958.

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