Cita APA (7a ed.)

Biel, C., Pfeffer, H., & Zindler, W. (1984). Probation and after care in the Federal Republic of Germany: With statistics from Baden-Württemberg. Selbstverlag.

Cita Chicago Style (17a ed.)

Biel, Christiane, Hans Pfeffer, y Waltraud Zindler. Probation and After Care in the Federal Republic of Germany: With Statistics from Baden-Württemberg. Bonn: Selbstverlag, 1984.

Cita MLA (9a ed.)

Biel, Christiane, et al. Probation and After Care in the Federal Republic of Germany: With Statistics from Baden-Württemberg. Selbstverlag, 1984.