APA (7th ed.) Citation

Cull, J. G., & Hardy, R. E. (1974). Types of drug abusers and their abuses. Thomas.

Chicago Style (17th ed.) Citation

Cull, John G., and Richard E. Hardy. Types of Drug Abusers and Their Abuses. Springfield, Ill: Thomas, 1974.

MLA (9th ed.) Citation

Cull, John G., and Richard E. Hardy. Types of Drug Abusers and Their Abuses. Thomas, 1974.