Washington (State). Governor's Council on Aging & Hopkins, W. S. (1961). Aging in the State of Washington: A report. University of Washington Press.
Cita Chicago Style (17a ed.)Washington (State). Governor's Council on Aging y William Stephen Hopkins. Aging in the State of Washington: A Report. Seattle: University of Washington Press, 1961.
Cita MLA (8a ed.)Washington (State). Governor's Council on Aging y William Stephen Hopkins. Aging in the State of Washington: A Report. University of Washington Press, 1961.
Precaución: Estas citas no son 100% exactas.