APA
Clark R. E., Clark J. F. & Adamec C. A. (2001). The encyclopedia of child abuse. New York: Facts on File.
Chicago
Clark Robin E, Clark Judith Freeman and Adamec Christine A. 2001. The encyclopedia of child abuse. New York: Facts on File.
Harvard
Clark R. E., Clark J. F. and Adamec C. A. (2001). The encyclopedia of child abuse. New York: Facts on File.
MLA
Clark Robin E, Clark Judith Freeman and Adamec Christine A. The encyclopedia of child abuse. New York: Facts on File. 2001.