Check, W. A. (1987). Drugs of the future. Chelsea House.
Cita Chicago Style (17a ed.)Check, William A. Drugs of the Future. New York [etc.]: Chelsea House, 1987.
Cita MLA (9a ed.)Check, William A. Drugs of the Future. Chelsea House, 1987.
Precaución: Estas citas no son 100% exactas.