APA
United States Pharmacopeal Convention Incorporation, . (1992). USP xxii NF xvii supplement no - 6: supplement 6 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
Chicago
United States Pharmacopeal Convention Incorporation, . 1992. USP xxii NF xvii supplement no - 6: supplement 6 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
Harvard
United States Pharmacopeal Convention Incorporation, . (1992). USP xxii NF xvii supplement no - 6: supplement 6 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation.
MLA
United States Pharmacopeal Convention Incorporation, . USP xxii NF xvii supplement no - 6: supplement 6 (the national formulary). Rockville: United State Pharmacopeial Convention Incorporation. 1992.