APA (7th ed.) Citation

Ritz, J. M. (1951). Prof. Dr. Georg Lill +.

Chicago Style (17th ed.) Citation

Ritz, Josef Maria. Prof. Dr. Georg Lill +. 1951.

MLA (9th ed.) Citation

Ritz, Josef Maria. Prof. Dr. Georg Lill +. 1951.

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