APA (7th ed.) Citation

Graffi, A., & Bielka, H. (1959). Probleme der Experimentallen Krebsforschung.

Chicago Style (17th ed.) Citation

Graffi, A., and H. Bielka. Probleme Der Experimentallen Krebsforschung. Leipzig, 1959.

MLA (8th ed.) Citation

Graffi, A., and H. Bielka. Probleme Der Experimentallen Krebsforschung. 1959.

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