Cita APA (7th ed.)

Briggs, G. G., Freeman, R. K., & Yaffe, S. J. (1990). Drugs in pregnancy and lactation: A reference guide to fetal and neonatal risk. Williams & Wilkins.

Cita Chicago (17th ed.)

Briggs, Gerald G., Roger K. Freeman, i Sumner J. Yaffe. Drugs in Pregnancy and Lactation: A Reference Guide to Fetal and Neonatal Risk. Baltimore: Williams & Wilkins, 1990.

Cita MLA (9th ed.)

Briggs, Gerald G., et al. Drugs in Pregnancy and Lactation: A Reference Guide to Fetal and Neonatal Risk. Williams & Wilkins, 1990.