APA (7th ed.) Citation

University of Durham. International Boundaries Research Unit. (1993). Boundary and security bulletin. International Boundaries Research Unit, Dept. of Geography, University of Durham.

Chicago Style (17th ed.) Citation

University of Durham. International Boundaries Research Unit. Boundary and Security Bulletin. Durham, UK: International Boundaries Research Unit, Dept. of Geography, University of Durham, 1993.

MLA (8th ed.) Citation

University of Durham. International Boundaries Research Unit. Boundary and Security Bulletin. International Boundaries Research Unit, Dept. of Geography, University of Durham, 1993.