APA (7th ed.) Citation

Bell, R. (1978). Classification and symptomatology. Core knowledge in the drug field.

Chicago Style (17th ed.) Citation

Bell, R. "Classification and Symptomatology." Core Knowledge in the Drug Field 1978.

MLA (9th ed.) Citation

Bell, R. "Classification and Symptomatology." Core Knowledge in the Drug Field, 1978.

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