Tashkin, D. P. (1999). Effects of marijuana on the lung and its defenses against infection and cancer. [s.n.].
Cita Chicago Style (17a ed.)Tashkin, Donald P. Effects of Marijuana on the Lung and Its Defenses Against Infection and Cancer. [S.l.]: [s.n.], 1999.
Cita MLA (9a ed.)Tashkin, Donald P. Effects of Marijuana on the Lung and Its Defenses Against Infection and Cancer. [s.n.], 1999.
Precaución: Estas citas no son 100% exactas.