APA (7th ed.) Citation

ScienceDirect (Online service), Eskes, T. K. A. B., & Finster, M. (1985). Drug therapy during pregnancy. Butterworths.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), T. K. A. B. Eskes, and Mieczyslaw Finster. Drug Therapy During Pregnancy. London ; Boston: Butterworths, 1985.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Drug Therapy During Pregnancy. Butterworths, 1985.