Cita APA (7a ed.)
Blum, R. H. (1969). Students and drugs: Drugs II, college and high school observations.
Cita estilo Chicago (17a ed.)
Blum, Richard H. Students and Drugs: Drugs II, College and High School Observations. 1969.
Cita MLA (9a ed.)
Blum, Richard H. Students and Drugs: Drugs II, College and High School Observations. 1969.
Precaución: Estas citas no son 100% exactas.