APA

Curtis T. J., Rodger A. J., Burns F., Nardone A., Copas A. & Wayal S. (20200623). Patterns of sexualised recreational drug use and its association with risk behaviours and sexual health outcomes in men who have sex with men in London, UK: a comparison of cross-sectional studies conducted in 2013 and 2016. : Sexually transmitted infections.

Chicago

Curtis Tyrone J, Rodger Alison J, Burns Fiona, Nardone Anthony, Copas Andrew and Wayal Sonali. 20200623. Patterns of sexualised recreational drug use and its association with risk behaviours and sexual health outcomes in men who have sex with men in London, UK: a comparison of cross-sectional studies conducted in 2013 and 2016. : Sexually transmitted infections.

Harvard

Curtis T. J., Rodger A. J., Burns F., Nardone A., Copas A. and Wayal S. (20200623). Patterns of sexualised recreational drug use and its association with risk behaviours and sexual health outcomes in men who have sex with men in London, UK: a comparison of cross-sectional studies conducted in 2013 and 2016. : Sexually transmitted infections.

MLA

Curtis Tyrone J, Rodger Alison J, Burns Fiona, Nardone Anthony, Copas Andrew and Wayal Sonali. Patterns of sexualised recreational drug use and its association with risk behaviours and sexual health outcomes in men who have sex with men in London, UK: a comparison of cross-sectional studies conducted in 2013 and 2016. : Sexually transmitted infections. 20200623.