Cita APA (7a ed.)

Hamburg, D. A. (1975). New psychiatric frontiers American handbook of psychiatry.

Cita Chicago Style (17a ed.)

Hamburg, David A. "New Psychiatric Frontiers." American Handbook of Psychiatry 1975.

Cita MLA (8a ed.)

Hamburg, David A. "New Psychiatric Frontiers." American Handbook of Psychiatry, 1975.