APA (7th ed.) Citation

Powell, T. G. E., & Daniel, G. E. (1959). Die Kelten. DuMont Schauberg.

Chicago Style (17th ed.) Citation

Powell, Thomas G. E., and Glyn Edmund Daniel. Die Kelten. Köln: DuMont Schauberg, 1959.

MLA (9th ed.) Citation

Powell, Thomas G. E., and Glyn Edmund Daniel. Die Kelten. DuMont Schauberg, 1959.

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