Robertson, R., & Robertson, J. R. (1987). Heroin, AIDS, and society (1. publ.). Hodder and Stoughton.
Cita Chicago Style (17a ed.)Robertson, Roy, y J. Roy Robertson. Heroin, AIDS, and Society. 1. publ. London [u.a.]: Hodder and Stoughton, 1987.
Cita MLA (9a ed.)Robertson, Roy, y J. Roy Robertson. Heroin, AIDS, and Society. 1. publ. Hodder and Stoughton, 1987.
Precaución: Estas citas no son 100% exactas.