APA (7th ed.) Citation

Helfer, R. E. (1988). The battered child (4. ed., rev. and expanded, paperback ed.). Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Helfer, Ray E. The Battered Child. 4. ed., rev. and expanded, paperback ed. Chicago, Ill. [u.a.]: Univ. of Chicago Press, 1988.

MLA (9th ed.) Citation

Helfer, Ray E. The Battered Child. 4. ed., rev. and expanded, paperback ed. Univ. of Chicago Press, 1988.