Dyfyniad APA

Pigeon, W. R., Britton, P. C., Ilgen, M. A., Chapman, B., & Conner, K. R. (2012). Sleep Disturbance Preceding Suicide Among Veterans. American Public Health Association.

Dyfyniad Arddull Chicago

Pigeon, Wilfred R., Peter C. Britton, Mark A. Ilgen, Ben Chapman, and Kenneth R. Conner. Sleep Disturbance Preceding Suicide Among Veterans. American Public Health Association, 2012.

Dyfyniad MLA

Pigeon, Wilfred R., et al. Sleep Disturbance Preceding Suicide Among Veterans. American Public Health Association, 2012.

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