APA (7th ed.) Zitazioa

Heckel, R. V., & Shumaker, D. M. (2001). Children who murder: A psychological perspective. Praeger.

Chicago Style (17th ed.) Zitazioa

Heckel, Robert V., eta David M. Shumaker. Children Who Murder: A Psychological Perspective. Westport, Conn.: Praeger, 2001.

MLA (9th ed.) Zitazioa

Heckel, Robert V., eta David M. Shumaker. Children Who Murder: A Psychological Perspective. Praeger, 2001.