APA (7th ed.) Citation

Kittel, G., & Friedrich, G. (1954). X - Pa. Kohlhammer.

Chicago Style (17th ed.) Citation

Kittel, Gerhard, and Gerhard Friedrich. X - Pa. Stuttgart [u.a.]: Kohlhammer, 1954.

MLA (8th ed.) Citation

Kittel, Gerhard, and Gerhard Friedrich. X - Pa. Kohlhammer, 1954.