Cita APA (7a ed.)

Crawshaw, P. (1978). Historical aspects and current developments. Core knowledge in the drug field.

Cita Chicago Style (17a ed.)

Crawshaw, Patrick. "Historical Aspects and Current Developments." Core Knowledge in the Drug Field 1978.

Cita MLA (8a ed.)

Crawshaw, Patrick. "Historical Aspects and Current Developments." Core Knowledge in the Drug Field, 1978.