Cita APA (7a ed.)

Christophersen, A. S. (2000). The occurence of drugged driving in Norway - existing problems and solutions. Blutalkohol, 37, 20-27.

Cita Chicago Style (17a ed.)

Christophersen, Asbjorg S. "The Occurence of Drugged Driving in Norway - Existing Problems and Solutions." Blutalkohol 37 (2000): 20-27.

Cita MLA (8a ed.)

Christophersen, Asbjorg S. "The Occurence of Drugged Driving in Norway - Existing Problems and Solutions." Blutalkohol, vol. 37, 2000, pp. 20-27.