Cita APA (7a ed.)

Melton, G. B., & Davidson, H. A. (1987). Child protection and society: When should the state intervene? American psychologist, 42(2), 172-184.

Cita Chicago Style (17a ed.)

Melton, Gary B., y Howard A. Davidson. "Child Protection and Society: When Should the State Intervene?" American Psychologist 42, no. 2 (1987): 172-184.

Cita MLA (8a ed.)

Melton, Gary B., y Howard A. Davidson. "Child Protection and Society: When Should the State Intervene?" American Psychologist, vol. 42, no. 2, 1987, pp. 172-184.