American Pharmaceutical Association. (1916). The national formulary (4th ed.). The Association.
Chicago Style (17th ed.) CitationAmerican Pharmaceutical Association. The National Formulary. 4th ed. Washington: The Association, 1916.
MLA (8th ed.) CitationAmerican Pharmaceutical Association. The National Formulary. 4th ed. The Association, 1916.
Warning: These citations may not always be 100% accurate.