APA (7th ed.) Citation

Diederichs, O. (1997). Digitale Sicherheit? Neue Kriminalpolitik, 9(2), 4-5.

Chicago Style (17th ed.) Citation

Diederichs, Otto. "Digitale Sicherheit?" Neue Kriminalpolitik 9, no. 2 (1997): 4-5.

MLA (8th ed.) Citation

Diederichs, Otto. "Digitale Sicherheit?" Neue Kriminalpolitik, vol. 9, no. 2, 1997, pp. 4-5.