APA (7th ed.) Citation

Walker, J., Hansen, C., Butcher, I., Sharma, N., Wall, L., Murray, G., & Sharpe, M. (2011). Thoughts of death and suicide reported by cancer patients who endorsed the "suicidal thoughts" item of the PHQ-9 during routine screening for depression.

Chicago Style (17th ed.) Citation

Walker, J., C. Hansen, I. Butcher, N. Sharma, L. Wall, G. Murray, and M. Sharpe. Thoughts of Death and Suicide Reported by Cancer Patients Who Endorsed the "Suicidal Thoughts" Item of the PHQ-9 During Routine Screening for Depression. 2011.

MLA (9th ed.) Citation

Walker, J., et al. Thoughts of Death and Suicide Reported by Cancer Patients Who Endorsed the "Suicidal Thoughts" Item of the PHQ-9 During Routine Screening for Depression. 2011.

Warning: These citations may not always be 100% accurate.