APA (7th ed.) Citation
OTTEN, R., & ET AL. DISENTANGLING TWO UNDERLYING PROCESSES IN THE INITIALPHASE OF SUBSTANCE USE: ONSET AND FREQUENCY OF USE IN ADOLESCENT SMOKING.
Chicago Style (17th ed.) Citation
OTTEN, R., and ET AL. DISENTANGLING TWO UNDERLYING PROCESSES IN THE INITIALPHASE OF SUBSTANCE USE: ONSET AND FREQUENCY OF USE IN ADOLESCENT SMOKING.
MLA (9th ed.) Citation
OTTEN, R., and ET AL. DISENTANGLING TWO UNDERLYING PROCESSES IN THE INITIALPHASE OF SUBSTANCE USE: ONSET AND FREQUENCY OF USE IN ADOLESCENT SMOKING.
Warning: These citations may not always be 100% accurate.