Cita APA (7a ed.)
CRUM, R., & ET AL. NEIGHBORHOOD ENVIRONMENT AND OPPORTUNITY TO USE COCAINE AND OTHER DRUGS IN LATE CHILDHOOD AND EARLY ADOLESCENCE.
Cita Chicago Style (17a ed.)
CRUM, R.M, y ET AL. NEIGHBORHOOD ENVIRONMENT AND OPPORTUNITY TO USE COCAINE AND OTHER DRUGS IN LATE CHILDHOOD AND EARLY ADOLESCENCE.
Cita MLA (9a ed.)
CRUM, R.M, y ET AL. NEIGHBORHOOD ENVIRONMENT AND OPPORTUNITY TO USE COCAINE AND OTHER DRUGS IN LATE CHILDHOOD AND EARLY ADOLESCENCE.
Precaución: Estas citas no son 100% exactas.