Cita APA (7th ed.)
Sellin, T. (1957). The protective Code: A Swedish proposal. Department of justice.
Cita Chicago (17th ed.)
Sellin, Thorsten. The Protective Code: A Swedish Proposal. Stockholm: Department of justice, 1957.
Cita MLA (9th ed.)
Sellin, Thorsten. The Protective Code: A Swedish Proposal. Department of justice, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.