APA način citiranja (7. izdanje)
Steppan, M., & ET AL. Are cannabis prevalence estimates comparable across countries and regions? A cross-cultural validation using search engine query data.
Čikaški stil citiranja (17. izdanje)
Steppan, M., i ET AL. Are Cannabis Prevalence Estimates Comparable Across Countries and Regions? A Cross-cultural Validation Using Search Engine Query Data.
MLA način citiranja (9. izdanje)
Steppan, M., i ET AL. Are Cannabis Prevalence Estimates Comparable Across Countries and Regions? A Cross-cultural Validation Using Search Engine Query Data.
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