APA (7th ed.) Citation

Brill, A. A. (1972). Freud's contribution to psychiatry. Peter Smith.

Chicago Style (17th ed.) Citation

Brill, A. A. Freud's Contribution to Psychiatry. Gloucester, Mass.: Peter Smith, 1972.

MLA (9th ed.) Citation

Brill, A. A. Freud's Contribution to Psychiatry. Peter Smith, 1972.

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