APA (7th ed.) Citation

Petersen, R. C. (1978). The international challenge of drug abuse. NIDA research monograph.

Chicago Style (17th ed.) Citation

Petersen, Robert C. "The International Challenge of Drug Abuse." NIDA Research Monograph 1978.

MLA (9th ed.) Citation

Petersen, Robert C. "The International Challenge of Drug Abuse." NIDA Research Monograph, 1978.

Warning: These citations may not always be 100% accurate.