Cita APA (7th ed.)
OYGARD, L., & ET AL. (1995). PARENTAL AND PEER INFLUENCES ON SMOKING AMONG YOUNG ADULTS: TEN-YEAR FOLLOW-UP OF THE OSLO YOUTH STUDY PARTICIPANTS.
Cita Chicago (17th ed.)
OYGARD, L., i ET AL. PARENTAL AND PEER INFLUENCES ON SMOKING AMONG YOUNG ADULTS: TEN-YEAR FOLLOW-UP OF THE OSLO YOUTH STUDY PARTICIPANTS. 1995.
Cita MLA (9th ed.)
OYGARD, L., i ET AL. PARENTAL AND PEER INFLUENCES ON SMOKING AMONG YOUNG ADULTS: TEN-YEAR FOLLOW-UP OF THE OSLO YOUTH STUDY PARTICIPANTS. 1995.
Atenció: Aquestes cites poden no estar 100% correctes.