APA
United States Pharmacopeal Convention Incorporation, . (1991). USP xxii NF xvii supplement no - 5: supplement 5 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
Chicago
United States Pharmacopeal Convention Incorporation, . 1991. USP xxii NF xvii supplement no - 5: supplement 5 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
Harvard
United States Pharmacopeal Convention Incorporation, . (1991). USP xxii NF xvii supplement no - 5: supplement 5 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
MLA
United States Pharmacopeal Convention Incorporation, . USP xxii NF xvii supplement no - 5: supplement 5 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation. 1991.