APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.