Cita APA (7a ed.)

North Sea Task Force. (1993). North sea quality status report 1993. Olsen and Olsen.

Cita Chicago Style (17a ed.)

North Sea Task Force. North Sea Quality Status Report 1993. Fredensborg: Olsen and Olsen, 1993.

Cita MLA (9a ed.)

North Sea Task Force. North Sea Quality Status Report 1993. Olsen and Olsen, 1993.