APA-Zitierstil (7. Ausg.)

Waard, J. d. (1999). The private security industry in international perspective. European journal on criminal policy and research, 7(2), 143-164.

Chicago-Zitierstil (17. Ausg.)

Waard, Jaap de. "The Private Security Industry in International Perspective." European Journal on Criminal Policy and Research 7, no. 2 (1999): 143-164.

MLA-Zitierstil (9. Ausg.)

Waard, Jaap de. "The Private Security Industry in International Perspective." European Journal on Criminal Policy and Research, vol. 7, no. 2, 1999, pp. 143-164.