APA (7th ed.) Citation

American Society of Hospital Pharmacists, American Society of Health-System Pharmacists, STAT!Ref (Online service), & Teton Data Systems (Firm). (1989). AHFS drug information. Published by authority of the Board of Directors of the American Society of Hospital Pharmacists.

Chicago Style (17th ed.) Citation

American Society of Hospital Pharmacists, American Society of Health-System Pharmacists, STAT!Ref (Online service), and Teton Data Systems (Firm). AHFS Drug Information. Bethesda, Md.: Published by authority of the Board of Directors of the American Society of Hospital Pharmacists, 1989.

MLA (9th ed.) Citation

American Society of Hospital Pharmacists, et al. AHFS Drug Information. Published by authority of the Board of Directors of the American Society of Hospital Pharmacists, 1989.