APA (7th ed.) Citation
SIMEONE, R., & ET AL. (1995). A PLAN FOR ESTIMATING THE NUMBER OF "HARDCORE" DRUG USERS IN THE UNITED STATES.
Chicago Style (17th ed.) Citation
SIMEONE, R.S, and ET AL. A PLAN FOR ESTIMATING THE NUMBER OF "HARDCORE" DRUG USERS IN THE UNITED STATES. 1995.
MLA (9th ed.) Citation
SIMEONE, R.S, and ET AL. A PLAN FOR ESTIMATING THE NUMBER OF "HARDCORE" DRUG USERS IN THE UNITED STATES. 1995.
Warning: These citations may not always be 100% accurate.