APA (7th ed.) Citation

Hansten, P. D., & Horn, J. R. (1989). Drug interactions: Clinical significance of drug-drug interactions (6. ed.). Lea & Febiger.

Chicago Style (17th ed.) Citation

Hansten, Philip D., and John R. Horn. Drug Interactions: Clinical Significance of Drug-drug Interactions. 6. ed. Philadelphia u.a: Lea & Febiger, 1989.

MLA (9th ed.) Citation

Hansten, Philip D., and John R. Horn. Drug Interactions: Clinical Significance of Drug-drug Interactions. 6. ed. Lea & Febiger, 1989.