Cita APA (7a ed.)

Tigges, L. C., & Nuijten, L. (1981). The practice of early intervention: Final report. Ministry of Justice.

Cita Chicago Style (17a ed.)

Tigges, Leo C., y Liesbeth Nuijten. The Practice of Early Intervention: Final Report. The Hague: Ministry of Justice, 1981.

Cita MLA (8a ed.)

Tigges, Leo C., y Liesbeth Nuijten. The Practice of Early Intervention: Final Report. Ministry of Justice, 1981.