APA (7th ed.) Citation
HORTA, B., & ET AL. LOW BIRTHWEIGHT, PRETERM BIRTHS AND INTRAUTERINE GROWTH RETARDATION IN RELATION TO MATERNAL SMOKING.
Chicago Style (17th ed.) Citation
HORTA, B.L, and ET AL. LOW BIRTHWEIGHT, PRETERM BIRTHS AND INTRAUTERINE GROWTH RETARDATION IN RELATION TO MATERNAL SMOKING.
MLA (9th ed.) Citation
HORTA, B.L, and ET AL. LOW BIRTHWEIGHT, PRETERM BIRTHS AND INTRAUTERINE GROWTH RETARDATION IN RELATION TO MATERNAL SMOKING.
Warning: These citations may not always be 100% accurate.