APA (7th ed.) Citation

Beer, K. (1981). Polizeiliche Drogenbekämpfung. BKA-Schriftenreihe.

Chicago Style (17th ed.) Citation

Beer, Konrad. "Polizeiliche Drogenbekämpfung." BKA-Schriftenreihe 1981.

MLA (9th ed.) Citation

Beer, Konrad. "Polizeiliche Drogenbekämpfung." BKA-Schriftenreihe, 1981.

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