Cita APA (7a ed.)

Helfer, R. E. (1987). The battered child (4. ed., rev. and expanded.). The Univ. of Chicago Pr.

Cita Chicago Style (17a ed.)

Helfer, Ray E. The Battered Child. 4. ed., rev. and expanded. Chicago [u.a.]: The Univ. of Chicago Pr, 1987.

Cita MLA (9a ed.)

Helfer, Ray E. The Battered Child. 4. ed., rev. and expanded. The Univ. of Chicago Pr, 1987.