Cita APA

Helfer, R. E., & Kempe, R. S. (1987). The Battered child (4th ed. rev. and expanded.). University of Chicago Press.

Citación estilo Chicago

Helfer, Ray E., and Ruth S. Kempe. The Battered Child. 4th ed. rev. and expanded. Chicago: University of Chicago Press, 1987.

Cita MLA

Helfer, Ray E., and Ruth S. Kempe. The Battered Child. 4th ed. rev. and expanded. University of Chicago Press, 1987.