APA (7th ed.) Citation

Harper, N., & Simmonds, A. B. Advances in drug research.

Chicago Style (17th ed.) Citation

Harper, N.J, and Alma B. Simmonds. Advances in Drug Research.

MLA (9th ed.) Citation

Harper, N.J, and Alma B. Simmonds. Advances in Drug Research.

Warning: These citations may not always be 100% accurate.