Cita APA

Hughes, J. R. (2003). Motivating and Helping Smokers to Stop Smoking. Blackwell Science Inc.

Chicago Style Citation

Hughes, John R. Motivating and Helping Smokers to Stop Smoking. Blackwell Science Inc, 2003.

Cita MLA

Hughes, John R. Motivating and Helping Smokers to Stop Smoking. Blackwell Science Inc, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.