Cita APA (7a ed.)

Robert, J. (1994). An innovative instrument: The European Rules on Community sanctions and measures. Penological information bulletin, 19/20, 5-7.

Cita Chicago Style (17a ed.)

Robert, Jean-Pierre. "An Innovative Instrument: The European Rules on Community Sanctions and Measures." Penological Information Bulletin 19/20 (1994): 5-7.

Cita MLA (8a ed.)

Robert, Jean-Pierre. "An Innovative Instrument: The European Rules on Community Sanctions and Measures." Penological Information Bulletin, vol. 19/20, 1994, pp. 5-7.