Cita APA (7th ed.)

Butler, C., Pill, R., Pill, R., Stott, N., & Stott, N. (1998). Qualitative study of patients' perceptions of doctors' advice to quit smoking: Implications for opportunistic health promotion.

Cita Chicago (17th ed.)

Butler, C., R. Pill, R. Pill, N. Stott, i N. Stott. Qualitative Study of Patients' Perceptions of Doctors' Advice to Quit Smoking: Implications for Opportunistic Health Promotion. 1998.

Cita MLA (9th ed.)

Butler, C., et al. Qualitative Study of Patients' Perceptions of Doctors' Advice to Quit Smoking: Implications for Opportunistic Health Promotion. 1998.