APA-viite (7. p.)
EPSTEIN, J., & ET AL. (1999). SOCIAL INFLUENCE AND PSYCHOLOGICAL DETERMINANTS OF SMOKING AMONG INNER-CITY ADOLESCENTS.
Chicago-viite (17. p.)
EPSTEIN, J.A, ja ET AL. SOCIAL INFLUENCE AND PSYCHOLOGICAL DETERMINANTS OF SMOKING AMONG INNER-CITY ADOLESCENTS. 1999.
MLA-viite (9. p.)
EPSTEIN, J.A, ja ET AL. SOCIAL INFLUENCE AND PSYCHOLOGICAL DETERMINANTS OF SMOKING AMONG INNER-CITY ADOLESCENTS. 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.