Cita APA (7a ed.)
Helfer, R. E., & Kempe, R. S. (1987). The Battered child (4th ed. rev. and expanded.). University of Chicago Press.
Cita Chicago Style (17a ed.)
Helfer, Ray E., y Ruth S. Kempe. The Battered Child. 4th ed. rev. and expanded. Chicago: University of Chicago Press, 1987.
Cita MLA (9a ed.)
Helfer, Ray E., y Ruth S. Kempe. The Battered Child. 4th ed. rev. and expanded. University of Chicago Press, 1987.
Precaución: Estas citas no son 100% exactas.