APA (7th ed.) Citation

Radnitzky, G., & Popper, K. R. 1. B. P. (1995). Karl R. Popper. COMDOK-Verl.-Abt.

Chicago Style (17th ed.) Citation

Radnitzky, Gerard, and Karl R. 1902-1994 Behand. Pers Popper. Karl R. Popper. Sankt Augustin: COMDOK-Verl.-Abt, 1995.

MLA (8th ed.) Citation

Radnitzky, Gerard, and Karl R. 1902-1994 Behand. Pers Popper. Karl R. Popper. COMDOK-Verl.-Abt, 1995.