Cita APA (7a ed.)

Helfer, M. E. (1997). The battered child (5. ed., rev. and expanded.). Univ. of Chicago Press.

Cita Chicago Style (17a ed.)

Helfer, Mary Edna. The Battered Child. 5. ed., rev. and expanded. Chicago [u.a.]: Univ. of Chicago Press, 1997.

Cita MLA (8a ed.)

Helfer, Mary Edna. The Battered Child. 5. ed., rev. and expanded. Univ. of Chicago Press, 1997.