APA
George B. Griffenhagen, . (197072). Journal of American Pharmaceutical Association. Washington: American Pharmaceutical Association.
Chicago
George B. Griffenhagen, . 197072. Journal of American Pharmaceutical Association. Washington: American Pharmaceutical Association.
Harvard
George B. Griffenhagen, . (197072). Journal of American Pharmaceutical Association. Washington: American Pharmaceutical Association.
MLA
George B. Griffenhagen, . Journal of American Pharmaceutical Association. Washington: American Pharmaceutical Association. 197072.