APA (7th ed.) Citation
VALDEZ, A., & SIFANECK, S. QUALITATIVE METHODOLOGICAL ISSUES IN DRUG USE(R) RESEARCH.
Chicago Style (17th ed.) Citation
VALDEZ, A., and S.J SIFANECK. QUALITATIVE METHODOLOGICAL ISSUES IN DRUG USE(R) RESEARCH.
MLA (9th ed.) Citation
VALDEZ, A., and S.J SIFANECK. QUALITATIVE METHODOLOGICAL ISSUES IN DRUG USE(R) RESEARCH.
Warning: These citations may not always be 100% accurate.