Cita APA (7a ed.)

Kreps, J. M. (1963). Employment, income, and retirement problems of the aged. Duke University Press.

Cita Chicago Style (17a ed.)

Kreps, Juanita M. Employment, Income, and Retirement Problems of the Aged. Durham, N.C.: Duke University Press, 1963.

Cita MLA (8a ed.)

Kreps, Juanita M. Employment, Income, and Retirement Problems of the Aged. Duke University Press, 1963.