Gaya APA

MD, R, M, P. (1993). Clinical Obstetrics and Gynecology Drug Abuse in Pregnancy (Volume 36). USA: Lippincott Williams & Wilkins.

Gaya MLA

MD, Roy, M., Pitkin,. "Clinical Obstetrics and Gynecology Drug Abuse in Pregnancy". Volume 36 USA: Lippincott Williams & Wilkins, 1993. Text.