APA Citation

Ritschl, O., & Leonhard, K. (1972). Otto Ritschl. München: Delp.

Chicago Style Citation

Ritschl, Otto, and Kurt Leonhard. Otto Ritschl. München: Delp, 1972.

MLA Citation

Ritschl, Otto, and Kurt Leonhard. Otto Ritschl. München: Delp, 1972.

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