Cita APA (7a ed.)

Walker, J. W. A., & Lewis, L. H. C. (2010). Retirement income sources new models for your work and your life in the new economy (1st edition.). FT Press.

Cita Chicago Style (17a ed.)

Walker, James W Author, y Linda H Contributor Lewis. Retirement Income Sources New Models for Your Work and Your Life in the New Economy. 1st edition. [Place of publication not identified]: FT Press, 2010.

Cita MLA (9a ed.)

Walker, James W Author, y Linda H Contributor Lewis. Retirement Income Sources New Models for Your Work and Your Life in the New Economy. 1st edition. FT Press, 2010.