Citação norma APA

Slama, K., Redman, S., Perkins, J., Reid, A. L., & Sanson-Fisher, R. W. (1990). The effectiveness of two smoking cessation programmes for use in general practice: A randomised clinical trial.

Citação norma Chicago

Slama, K., S. Redman, J. Perkins, A L. Reid, and R W. Sanson-Fisher. The Effectiveness of Two Smoking Cessation Programmes for Use in General Practice: A Randomised Clinical Trial. 1990.

Citação norma MLA

Slama, K., et al. The Effectiveness of Two Smoking Cessation Programmes for Use in General Practice: A Randomised Clinical Trial. 1990.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.