Williams, E. S. (1995). Pregnant teenagers and contraception. Contraceptive failure may be a major factor in teenage pregnancy. BMJ Group.
Chicago Style CitationWilliams, E. S. Pregnant Teenagers and Contraception. Contraceptive Failure May Be a Major Factor in Teenage Pregnancy. BMJ Group, 1995.
MLA CitationWilliams, E. S. Pregnant Teenagers and Contraception. Contraceptive Failure May Be a Major Factor in Teenage Pregnancy. BMJ Group, 1995.
Warning: These citations may not always be 100% accurate.