Cita APA (7a ed.)

Ludwig, S. (1992). Child abuse: A medical reference (2. ed.). Livingstone.

Cita Chicago Style (17a ed.)

Ludwig, Stephen. Child Abuse: A Medical Reference. 2. ed. New York [u.a.]: Livingstone, 1992.

Cita MLA (8a ed.)

Ludwig, Stephen. Child Abuse: A Medical Reference. 2. ed. Livingstone, 1992.