APA (7th ed.) Citation

Benfer, I., Zahnow, R., Barratt, M., Maier, L., Winstock, A., & Ferris, J. (2018). The impact of drug policy liberalisation on willingness to seek help for problem drug use: A comparison of 20 countries. Elsevier BV.

Chicago Style (17th ed.) Citation

Benfer, I., R. Zahnow, Monica Barratt, L. Maier, A. Winstock, and J. Ferris. The Impact of Drug Policy Liberalisation on Willingness to Seek Help for Problem Drug Use: A Comparison of 20 Countries. Elsevier BV, 2018.

MLA (9th ed.) Citation

Benfer, I., et al. The Impact of Drug Policy Liberalisation on Willingness to Seek Help for Problem Drug Use: A Comparison of 20 Countries. Elsevier BV, 2018.