Gaya APA

Hafner, D. (2008). Drug Information Journal = official publication of the drug information association vol.42,no.2,2008 (vol.42,no.2,2008). USA: Drug Information Association.

Gaya MLA

Hafner, Dietrich. "Drug Information Journal = official publication of the drug information association vol.42,no.2,2008". vol.42,no.2,2008 USA: Drug Information Association, 2008. Text.