Bernards, N. (1990). War on drugs: Opposing viewpoints. Greenhaven Pr.
Cita Chicago Style (17a ed.)Bernards, Neal. War on Drugs: Opposing Viewpoints. San Diego, Calif: Greenhaven Pr, 1990.
Cita MLA (8a ed.)Bernards, Neal. War on Drugs: Opposing Viewpoints. Greenhaven Pr, 1990.
Precaución: Estas citas no son 100% exactas.