Cita APA (7th ed.)

Marks, D. F. (1993). The quit for life programme: An easier way to stop smoking and not start again. British Psychological Society.

Cita Chicago (17th ed.)

Marks, David F. The Quit for Life Programme: An Easier Way to Stop Smoking and Not Start Again. Leicester: British Psychological Society, 1993.

Cita MLA (9th ed.)

Marks, David F. The Quit for Life Programme: An Easier Way to Stop Smoking and Not Start Again. British Psychological Society, 1993.