Cita APA

Bergel, F., Davies, D. R. A., & Ford, P. (1971). All about drugs. New York, New York: Barnes and Noble.

Citación estilo Chicago

Bergel, Franz, David Richard Aylmer Davies, y Peter Ford. All About Drugs. New York, New York: Barnes and Noble, 1971.

Cita MLA

Bergel, Franz, David Richard Aylmer Davies, y Peter Ford. All About Drugs. New York, New York: Barnes and Noble, 1971.