APA

Unützer J., Katon W., Williams J. W., Callahan C. M., Harpole L., Hunkeler E. M., Hoffing M., Arean P., Hegel M. T., Schoenbaum M., Oishi S. M. & Langston C. A. (20010913). Improving primary care for depression in late life: the design of a multicenter randomized trial. : Medical care.

Chicago

Unützer J, Katon W, Williams J W, Callahan C M, Harpole L, Hunkeler E M, Hoffing M, Arean P, Hegel M T, Schoenbaum M, Oishi S M and Langston C A. 20010913. Improving primary care for depression in late life: the design of a multicenter randomized trial. : Medical care.

Harvard

Unützer J., Katon W., Williams J. W., Callahan C. M., Harpole L., Hunkeler E. M., Hoffing M., Arean P., Hegel M. T., Schoenbaum M., Oishi S. M. and Langston C. A. (20010913). Improving primary care for depression in late life: the design of a multicenter randomized trial. : Medical care.

MLA

Unützer J, Katon W, Williams J W, Callahan C M, Harpole L, Hunkeler E M, Hoffing M, Arean P, Hegel M T, Schoenbaum M, Oishi S M and Langston C A. Improving primary care for depression in late life: the design of a multicenter randomized trial. : Medical care. 20010913.