APA
United States Pharmacoppeial convention, . (2019). Usp-42 The United States Pharmacopeia NF 37 The National Formulary First Supplement. : United states pharmacopeial convention.
Chicago
United States Pharmacoppeial convention, . 2019. Usp-42 The United States Pharmacopeia NF 37 The National Formulary First Supplement. : United states pharmacopeial convention.
Harvard
United States Pharmacoppeial convention, . (2019). Usp-42 The United States Pharmacopeia NF 37 The National Formulary First Supplement. : United states pharmacopeial convention.
MLA
United States Pharmacoppeial convention, . Usp-42 The United States Pharmacopeia NF 37 The National Formulary First Supplement. : United states pharmacopeial convention. 2019.
