MLA

Simonsen, Sven Gunnar, and Ole Berthelsen. Conflicts In the Osce Area. Oslo: International Peace Research Institute, 1995.

APA

Simonsen, S. Gunnar, & Berthelsen, O. (1995). Conflicts in the OSCE area. Oslo: International Peace Research Institute.

Chicago

Simonsen, Sven Gunnar, and Ole Berthelsen. Conflicts In the OSCE Area. Oslo: International Peace Research Institute, 1995.