Cita APA

Cunningham, J. A., Neighbors, C., Wild, C., & Humphreys, K. (2008). Ultra-brief intervention for problem drinkers: Research protocol. BioMed Central.

Chicago Style Citation

Cunningham, John A., Clayton Neighbors, Cameron Wild, i Keith Humphreys. Ultra-brief Intervention for Problem Drinkers: Research Protocol. BioMed Central, 2008.

Cita MLA

Cunningham, John A., Clayton Neighbors, Cameron Wild, i Keith Humphreys. Ultra-brief Intervention for Problem Drinkers: Research Protocol. BioMed Central, 2008.