Cita APA (7th ed.)
ESCOBEDO, L., & PEDDICORD, J. (1997). LONG-TERM TRENDS IN CIGARETTE SMOKING AMONG YOUNG U.S. ADULTS.
Cita Chicago (17th ed.)
ESCOBEDO, L.G, i J.P PEDDICORD. LONG-TERM TRENDS IN CIGARETTE SMOKING AMONG YOUNG U.S. ADULTS. 1997.
Cita MLA (9th ed.)
ESCOBEDO, L.G, i J.P PEDDICORD. LONG-TERM TRENDS IN CIGARETTE SMOKING AMONG YOUNG U.S. ADULTS. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.