Cita APA (7a ed.)

Helfer, R. E. (1968). The battered child (2. impr.). Univ. of Chicago Pr.

Cita Chicago Style (17a ed.)

Helfer, Ray E. The Battered Child. 2. impr. Chicago [u.a.]: Univ. of Chicago Pr, 1968.

Cita MLA (9a ed.)

Helfer, Ray E. The Battered Child. 2. impr. Univ. of Chicago Pr, 1968.