Cita APA (7a ed.)

Pizarro, R. A., & Billick, S. B. (1999). Current issues in child abuse. Current opinion in psychiatry, 12(6), 665-668.

Cita Chicago Style (17a ed.)

Pizarro, Rodrigo A., y Stephen Bates Billick. "Current Issues in Child Abuse." Current Opinion in Psychiatry 12, no. 6 (1999): 665-668.

Cita MLA (8a ed.)

Pizarro, Rodrigo A., y Stephen Bates Billick. "Current Issues in Child Abuse." Current Opinion in Psychiatry, vol. 12, no. 6, 1999, pp. 665-668.