Cita APA (7a ed.)

Claudius, T., & Stepan, F. (1976). Amnesty International: Portrait einer Organisation. Oldenbourg.

Cita Chicago Style (17a ed.)

Claudius, Thomas, y Franz Stepan. Amnesty International: Portrait Einer Organisation. München [u.a.]: Oldenbourg, 1976.

Cita MLA (8a ed.)

Claudius, Thomas, y Franz Stepan. Amnesty International: Portrait Einer Organisation. Oldenbourg, 1976.