APA (7th ed.) Citation

Keller, W. (1994). Prof. Dr. Rudolf Schnackenburg.

Chicago Style (17th ed.) Citation

Keller, Walter. Prof. Dr. Rudolf Schnackenburg. 1994.

MLA (9th ed.) Citation

Keller, Walter. Prof. Dr. Rudolf Schnackenburg. 1994.

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