APA
United States Pharmacopeia, . (1998). Complete Drug Reference. New York: Micromedex.
Chicago
United States Pharmacopeia, . 1998. Complete Drug Reference. New York: Micromedex.
Harvard
United States Pharmacopeia, . (1998). Complete Drug Reference. New York: Micromedex.
MLA
United States Pharmacopeia, . Complete Drug Reference. New York: Micromedex. 1998.