Cita APA (7th ed.)
OEI, T., & ET AL. SMOKING BEHAVIOR IN NINE YEAR OLD CHILDREN: A REPLICATION AND EXTENSION STUDY.
Cita Chicago (17th ed.)
OEI, T.P.S, i ET AL. SMOKING BEHAVIOR IN NINE YEAR OLD CHILDREN: A REPLICATION AND EXTENSION STUDY.
Cita MLA (9th ed.)
OEI, T.P.S, i ET AL. SMOKING BEHAVIOR IN NINE YEAR OLD CHILDREN: A REPLICATION AND EXTENSION STUDY.
Atenció: Aquestes cites poden no estar 100% correctes.