Cita APA (7a ed.)

Blackwell, J. C. (1988). Illicit drugs in Canada: A risky business. Nelson.

Cita Chicago Style (17a ed.)

Blackwell, Judith C. Illicit Drugs in Canada: A Risky Business. Scarborough, Ontario: Nelson, 1988.

Cita MLA (8a ed.)

Blackwell, Judith C. Illicit Drugs in Canada: A Risky Business. Nelson, 1988.