APA
Gordon M. A., . (1999). Drug interactions. New York: Rosen Pub. Group.
Chicago
Gordon Melanie Apel, . 1999. Drug interactions. New York: Rosen Pub. Group.
Harvard
Gordon M. A., . (1999). Drug interactions. New York: Rosen Pub. Group.
MLA
Gordon Melanie Apel, . Drug interactions. New York: Rosen Pub. Group. 1999.