APA (7th ed.) Citation
NORTHUP, J., & ET AL. (1998). A PRELIMINARY ANALYSIS OF INTERACTIVE EFFECTS BETWEEN COMMON CLASSROOM CONTINGENCIES AND METHYLPHENIDATE.
Chicago Style (17th ed.) Citation
NORTHUP, J., and ET AL. A PRELIMINARY ANALYSIS OF INTERACTIVE EFFECTS BETWEEN COMMON CLASSROOM CONTINGENCIES AND METHYLPHENIDATE. 1998.
MLA (9th ed.) Citation
NORTHUP, J., and ET AL. A PRELIMINARY ANALYSIS OF INTERACTIVE EFFECTS BETWEEN COMMON CLASSROOM CONTINGENCIES AND METHYLPHENIDATE. 1998.
Warning: These citations may not always be 100% accurate.